Counties with the highest STI rates in California
Emma Rubin // Stacker
- Chlamydia cases: 493.6 per 100K (#22 nationally, 192,647 cases)
- Gonorrhea cases: 205.6 per 100K (#18 nationally, 80,257 cases)
- Primary and secondary syphilis cases: 20.1 per 100K (#19 nationally, 7,849 cases)
- Gonorrhea cases: 205.6 per 100K (#18 nationally, 80,257 cases)
- Primary and secondary syphilis cases: 20.1 per 100K (#19 nationally, 7,849 cases)
State-level statistics
Canva
- Chlamydia cases: 185.8 per 100K people (359 cases)
- Gonorrhea cases: 52.8 per 100K people (102 cases)
- Syphilis cases (non-congenital): 12.9 per 100K people (25 cases)
--- Primary and secondary syphilis: 6.2 per 100K people (12 cases)
--- Nonprimary and nonsecondary early syphilis: 6.7 per 100K people (13 cases)
- Gonorrhea cases: 52.8 per 100K people (102 cases)
- Syphilis cases (non-congenital): 12.9 per 100K people (25 cases)
--- Primary and secondary syphilis: 6.2 per 100K people (12 cases)
--- Nonprimary and nonsecondary early syphilis: 6.7 per 100K people (13 cases)
#50. El Dorado County
StephanieFarrell // Shutterstock
- Chlamydia cases: 186.3 per 100K people (104 cases)
- Gonorrhea cases: 87.8 per 100K people (49 cases)
- Syphilis cases (non-congenital): 19.7 per 100K people (11 case)
--- Primary and secondary syphilis: 19.7 per 100K people (11 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
- Gonorrhea cases: 87.8 per 100K people (49 cases)
- Syphilis cases (non-congenital): 19.7 per 100K people (11 case)
--- Primary and secondary syphilis: 19.7 per 100K people (11 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#49. Tuolumne County
Canva
- Chlamydia cases: 190.8 per 100K people (38 cases)
- Gonorrhea cases: 30.1 per 100K people (6 cases)
- Syphilis cases (non-congenital): 10.0 per 100K people (2 cases)
--- Primary and secondary syphilis: 10.0 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
- Gonorrhea cases: 30.1 per 100K people (6 cases)
- Syphilis cases (non-congenital): 10.0 per 100K people (2 cases)
--- Primary and secondary syphilis: 10.0 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#48. Plumas County
CL Shebley // Shutterstock
- Chlamydia cases: 197.9 per 100K people (57 cases)
- Gonorrhea cases: 86.8 per 100K people (25 cases)
- Syphilis cases (non-congenital): 20.8 per 100K people (6 cases)
--- Primary and secondary syphilis: 20.8 per 100K people (6 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
- Gonorrhea cases: 86.8 per 100K people (25 cases)
- Syphilis cases (non-congenital): 20.8 per 100K people (6 cases)
--- Primary and secondary syphilis: 20.8 per 100K people (6 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#47. Glenn County
Canva
- Chlamydia cases: 207.1 per 100K people (854 cases)
- Gonorrhea cases: 70.6 per 100K people (291 case)
- Syphilis cases (non-congenital): 11.6 per 100K people (48 cases)
--- Primary and secondary syphilis: 8.2 per 100K people (34 cases)
--- Nonprimary and nonsecondary early syphilis: 3.4 per 100K people (14 cases)
- Gonorrhea cases: 70.6 per 100K people (291 case)
- Syphilis cases (non-congenital): 11.6 per 100K people (48 cases)
--- Primary and secondary syphilis: 8.2 per 100K people (34 cases)
--- Nonprimary and nonsecondary early syphilis: 3.4 per 100K people (14 cases)
#46. Placer County
Matt Gush // Shutterstock
- Chlamydia cases: 213.0 per 100K people (211 case)
- Gonorrhea cases: 149.4 per 100K people (148 cases)
- Syphilis cases (non-congenital): 66.6 per 100K people (66 cases)
--- Primary and secondary syphilis: 41.4 per 100K people (41 case)
--- Nonprimary and nonsecondary early syphilis: 25.2 per 100K people (25 cases)
- Gonorrhea cases: 149.4 per 100K people (148 cases)
- Syphilis cases (non-congenital): 66.6 per 100K people (66 cases)
--- Primary and secondary syphilis: 41.4 per 100K people (41 case)
--- Nonprimary and nonsecondary early syphilis: 25.2 per 100K people (25 cases)
#45. Sutter County
Canva
- Chlamydia cases: 219.0 per 100K people (146 cases)
- Gonorrhea cases: 90.0 per 100K people (60 cases)
- Syphilis cases (non-congenital): 12.0 per 100K people (8 cases)
--- Primary and secondary syphilis: 9.0 per 100K people (6 cases)
--- Nonprimary and nonsecondary early syphilis: 3.0 per 100K people (2 cases)
- Gonorrhea cases: 90.0 per 100K people (60 cases)
- Syphilis cases (non-congenital): 12.0 per 100K people (8 cases)
--- Primary and secondary syphilis: 9.0 per 100K people (6 cases)
--- Nonprimary and nonsecondary early syphilis: 3.0 per 100K people (2 cases)
#44. San Benito County
Canva
- Chlamydia cases: 224.4 per 100K people (99 cases)
- Gonorrhea cases: 99.7 per 100K people (44 cases)
- Syphilis cases (non-congenital): 45.3 per 100K people (20 cases)
--- Primary and secondary syphilis: 36.3 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 9.1 per 100K people (4 cases)
- Gonorrhea cases: 99.7 per 100K people (44 cases)
- Syphilis cases (non-congenital): 45.3 per 100K people (20 cases)
--- Primary and secondary syphilis: 36.3 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 9.1 per 100K people (4 cases)
#43. Siskiyou County
Canva
- Chlamydia cases: 229.8 per 100K people (598 cases)
- Gonorrhea cases: 81.5 per 100K people (212 cases)
- Syphilis cases (non-congenital): 16.9 per 100K people (44 cases)
--- Primary and secondary syphilis: 8.1 per 100K people (21 case)
--- Nonprimary and nonsecondary early syphilis: 8.8 per 100K people (23 cases)
- Gonorrhea cases: 81.5 per 100K people (212 cases)
- Syphilis cases (non-congenital): 16.9 per 100K people (44 cases)
--- Primary and secondary syphilis: 8.1 per 100K people (21 case)
--- Nonprimary and nonsecondary early syphilis: 8.8 per 100K people (23 cases)
#42. Marin County
Canva
- Chlamydia cases: 242.0 per 100K people (68 cases)
- Gonorrhea cases: 99.6 per 100K people (28 cases)
- Syphilis cases (non-congenital): 14.2 per 100K people (4 cases)
--- Primary and secondary syphilis: 7.1 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 7.1 per 100K people (2 cases)
- Gonorrhea cases: 99.6 per 100K people (28 cases)
- Syphilis cases (non-congenital): 14.2 per 100K people (4 cases)
--- Primary and secondary syphilis: 7.1 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 7.1 per 100K people (2 cases)
#41. Del Norte County
Canva
- Chlamydia cases: 260.1 per 100K people (57 cases)
- Gonorrhea cases: 127.8 per 100K people (28 cases)
- Syphilis cases (non-congenital): 22.8 per 100K people (5 cases)
--- Primary and secondary syphilis: 13.7 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 9.1 per 100K people (2 cases)
- Gonorrhea cases: 127.8 per 100K people (28 cases)
- Syphilis cases (non-congenital): 22.8 per 100K people (5 cases)
--- Primary and secondary syphilis: 13.7 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 9.1 per 100K people (2 cases)
#40. Colusa County
Uladzik Kryhin // Shutterstock
- Chlamydia cases: 268.0 per 100K people (5,054 cases)
- Gonorrhea cases: 126.1 per 100K people (2,378 cases)
- Syphilis cases (non-congenital): 28.5 per 100K people (537 cases)
--- Primary and secondary syphilis: 15.5 per 100K people (293 cases)
--- Nonprimary and nonsecondary early syphilis: 12.9 per 100K people (244 cases)
- Gonorrhea cases: 126.1 per 100K people (2,378 cases)
- Syphilis cases (non-congenital): 28.5 per 100K people (537 cases)
--- Primary and secondary syphilis: 15.5 per 100K people (293 cases)
--- Nonprimary and nonsecondary early syphilis: 12.9 per 100K people (244 cases)
#39. Santa Clara County
Canva
- Chlamydia cases: 289.9 per 100K people (55 cases)
- Gonorrhea cases: 105.4 per 100K people (20 cases)
- Syphilis cases (non-congenital): 10.5 per 100K people (2 cases)
--- Primary and secondary syphilis: 10.5 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
- Gonorrhea cases: 105.4 per 100K people (20 cases)
- Syphilis cases (non-congenital): 10.5 per 100K people (2 cases)
--- Primary and secondary syphilis: 10.5 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#38. Inyo County
Canva
- Chlamydia cases: 289.9 per 100K people (528 cases)
- Gonorrhea cases: 208.1 per 100K people (379 cases)
- Syphilis cases (non-congenital): 53.3 per 100K people (97 cases)
--- Primary and secondary syphilis: 43.4 per 100K people (79 cases)
--- Nonprimary and nonsecondary early syphilis: 9.9 per 100K people (18 cases)
- Gonorrhea cases: 208.1 per 100K people (379 cases)
- Syphilis cases (non-congenital): 53.3 per 100K people (97 cases)
--- Primary and secondary syphilis: 43.4 per 100K people (79 cases)
--- Nonprimary and nonsecondary early syphilis: 9.9 per 100K people (18 cases)
#37. Shasta County
Canva
- Chlamydia cases: 294.4 per 100K people (39 cases)
- Gonorrhea cases: 30.2 per 100K people (4 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
- Gonorrhea cases: 30.2 per 100K people (4 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
#36. Mono County
Canva
- Chlamydia cases: 305.4 per 100K people (200 cases)
- Gonorrhea cases: 154.2 per 100K people (101 case)
- Syphilis cases (non-congenital): 61.1 per 100K people (40 cases)
--- Primary and secondary syphilis: 56.5 per 100K people (37 cases)
--- Nonprimary and nonsecondary early syphilis: 4.6 per 100K people (3 cases)
- Gonorrhea cases: 154.2 per 100K people (101 case)
- Syphilis cases (non-congenital): 61.1 per 100K people (40 cases)
--- Primary and secondary syphilis: 56.5 per 100K people (37 cases)
--- Nonprimary and nonsecondary early syphilis: 4.6 per 100K people (3 cases)
#35. Tehama County
Canva
- Chlamydia cases: 317.4 per 100K people (1,417 cases)
- Gonorrhea cases: 117.4 per 100K people (524 cases)
- Syphilis cases (non-congenital): 19.3 per 100K people (86 cases)
--- Primary and secondary syphilis: 12.5 per 100K people (56 cases)
--- Nonprimary and nonsecondary early syphilis: 6.7 per 100K people (30 cases)
- Gonorrhea cases: 117.4 per 100K people (524 cases)
- Syphilis cases (non-congenital): 19.3 per 100K people (86 cases)
--- Primary and secondary syphilis: 12.5 per 100K people (56 cases)
--- Nonprimary and nonsecondary early syphilis: 6.7 per 100K people (30 cases)
#34. Santa Barbara County
Canva
- Chlamydia cases: 317.7 per 100K people (2,344 cases)
- Gonorrhea cases: 107.2 per 100K people (791 case)
- Syphilis cases (non-congenital): 19.8 per 100K people (146 cases)
--- Primary and secondary syphilis: 8.9 per 100K people (66 cases)
--- Nonprimary and nonsecondary early syphilis: 10.8 per 100K people (80 cases)
- Gonorrhea cases: 107.2 per 100K people (791 case)
- Syphilis cases (non-congenital): 19.8 per 100K people (146 cases)
--- Primary and secondary syphilis: 8.9 per 100K people (66 cases)
--- Nonprimary and nonsecondary early syphilis: 10.8 per 100K people (80 cases)
#33. San Mateo County
Canva
- Chlamydia cases: 318.5 per 100K people (853 cases)
- Gonorrhea cases: 112.8 per 100K people (302 cases)
- Syphilis cases (non-congenital): 38.1 per 100K people (102 cases)
--- Primary and secondary syphilis: 24.3 per 100K people (65 cases)
--- Nonprimary and nonsecondary early syphilis: 13.8 per 100K people (37 cases)
- Gonorrhea cases: 112.8 per 100K people (302 cases)
- Syphilis cases (non-congenital): 38.1 per 100K people (102 cases)
--- Primary and secondary syphilis: 24.3 per 100K people (65 cases)
--- Nonprimary and nonsecondary early syphilis: 13.8 per 100K people (37 cases)
#32. Santa Cruz County
Canva
- Chlamydia cases: 332.2 per 100K people (1,614 cases)
- Gonorrhea cases: 125.3 per 100K people (609 cases)
- Syphilis cases (non-congenital): 23.9 per 100K people (116 cases)
--- Primary and secondary syphilis: 13.8 per 100K people (67 cases)
--- Nonprimary and nonsecondary early syphilis: 10.1 per 100K people (49 cases)
- Gonorrhea cases: 125.3 per 100K people (609 cases)
- Syphilis cases (non-congenital): 23.9 per 100K people (116 cases)
--- Primary and secondary syphilis: 13.8 per 100K people (67 cases)
--- Nonprimary and nonsecondary early syphilis: 10.1 per 100K people (49 cases)
#31. Sonoma County
Canva
- Chlamydia cases: 334.8 per 100K people (29 cases)
- Gonorrhea cases: 80.8 per 100K people (7 cases)
- Syphilis cases (non-congenital): 23.1 per 100K people (2 cases)
--- Primary and secondary syphilis: 23.1 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
- Gonorrhea cases: 80.8 per 100K people (7 cases)
- Syphilis cases (non-congenital): 23.1 per 100K people (2 cases)
--- Primary and secondary syphilis: 23.1 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#30. Modoc County
Canva
- Chlamydia cases: 344.0 per 100K people (974 cases)
- Gonorrhea cases: 73.1 per 100K people (207 cases)
- Syphilis cases (non-congenital): 9.2 per 100K people (26 cases)
--- Primary and secondary syphilis: 7.1 per 100K people (20 cases)
--- Nonprimary and nonsecondary early syphilis: 2.1 per 100K people (6 cases)
- Gonorrhea cases: 73.1 per 100K people (207 cases)
- Syphilis cases (non-congenital): 9.2 per 100K people (26 cases)
--- Primary and secondary syphilis: 7.1 per 100K people (20 cases)
--- Nonprimary and nonsecondary early syphilis: 2.1 per 100K people (6 cases)
#29. San Luis Obispo County
Canva
- Chlamydia cases: 350.5 per 100K people (241 case)
- Gonorrhea cases: 248.7 per 100K people (171 case)
- Syphilis cases (non-congenital): 125.1 per 100K people (86 cases)
--- Primary and secondary syphilis: 84.3 per 100K people (58 cases)
--- Nonprimary and nonsecondary early syphilis: 40.7 per 100K people (28 cases)
- Gonorrhea cases: 248.7 per 100K people (171 case)
- Syphilis cases (non-congenital): 125.1 per 100K people (86 cases)
--- Primary and secondary syphilis: 84.3 per 100K people (58 cases)
--- Nonprimary and nonsecondary early syphilis: 40.7 per 100K people (28 cases)
#28. Lake County
Canva
- Chlamydia cases: 350.7 per 100K people (478 cases)
- Gonorrhea cases: 151.9 per 100K people (207 cases)
- Syphilis cases (non-congenital): 29.3 per 100K people (40 cases)
--- Primary and secondary syphilis: 19.1 per 100K people (26 cases)
--- Nonprimary and nonsecondary early syphilis: 10.3 per 100K people (14 cases)
- Gonorrhea cases: 151.9 per 100K people (207 cases)
- Syphilis cases (non-congenital): 29.3 per 100K people (40 cases)
--- Primary and secondary syphilis: 19.1 per 100K people (26 cases)
--- Nonprimary and nonsecondary early syphilis: 10.3 per 100K people (14 cases)
#27. Humboldt County
Canva
- Chlamydia cases: 356.8 per 100K people (486 cases)
- Gonorrhea cases: 138.8 per 100K people (189 cases)
- Syphilis cases (non-congenital): 30.8 per 100K people (42 cases)
--- Primary and secondary syphilis: 20.6 per 100K people (28 cases)
--- Nonprimary and nonsecondary early syphilis: 10.3 per 100K people (14 cases)
- Gonorrhea cases: 138.8 per 100K people (189 cases)
- Syphilis cases (non-congenital): 30.8 per 100K people (42 cases)
--- Primary and secondary syphilis: 20.6 per 100K people (28 cases)
--- Nonprimary and nonsecondary early syphilis: 10.3 per 100K people (14 cases)
#26. Napa County
Canva
- Chlamydia cases: 370.5 per 100K people (3,111 case)
- Gonorrhea cases: 110.7 per 100K people (930 cases)
- Syphilis cases (non-congenital): 24.6 per 100K people (207 cases)
--- Primary and secondary syphilis: 15.4 per 100K people (129 cases)
--- Nonprimary and nonsecondary early syphilis: 9.3 per 100K people (78 cases)
- Gonorrhea cases: 110.7 per 100K people (930 cases)
- Syphilis cases (non-congenital): 24.6 per 100K people (207 cases)
--- Primary and secondary syphilis: 15.4 per 100K people (129 cases)
--- Nonprimary and nonsecondary early syphilis: 9.3 per 100K people (78 cases)
#25. Ventura County
Canva
- Chlamydia cases: 373.2 per 100K people (11,822 cases)
- Gonorrhea cases: 168.6 per 100K people (5,341 case)
- Syphilis cases (non-congenital): 29.7 per 100K people (941 case)
--- Primary and secondary syphilis: 17.6 per 100K people (559 cases)
--- Nonprimary and nonsecondary early syphilis: 12.1 per 100K people (382 cases)
- Gonorrhea cases: 168.6 per 100K people (5,341 case)
- Syphilis cases (non-congenital): 29.7 per 100K people (941 case)
--- Primary and secondary syphilis: 17.6 per 100K people (559 cases)
--- Nonprimary and nonsecondary early syphilis: 12.1 per 100K people (382 cases)
#24. Orange County
Canva
- Chlamydia cases: 383.6 per 100K people (1,099 cases)
- Gonorrhea cases: 170.4 per 100K people (488 cases)
- Syphilis cases (non-congenital): 33.5 per 100K people (96 cases)
--- Primary and secondary syphilis: 26.2 per 100K people (75 cases)
--- Nonprimary and nonsecondary early syphilis: 7.3 per 100K people (21 case)
- Gonorrhea cases: 170.4 per 100K people (488 cases)
- Syphilis cases (non-congenital): 33.5 per 100K people (96 cases)
--- Primary and secondary syphilis: 26.2 per 100K people (75 cases)
--- Nonprimary and nonsecondary early syphilis: 7.3 per 100K people (21 case)
#23. Merced County
Canva
- Chlamydia cases: 399.2 per 100K people (333 cases)
- Gonorrhea cases: 215.8 per 100K people (180 cases)
- Syphilis cases (non-congenital): 79.1 per 100K people (66 cases)
--- Primary and secondary syphilis: 46.8 per 100K people (39 cases)
--- Nonprimary and nonsecondary early syphilis: 32.4 per 100K people (27 cases)
- Gonorrhea cases: 215.8 per 100K people (180 cases)
- Syphilis cases (non-congenital): 79.1 per 100K people (66 cases)
--- Primary and secondary syphilis: 46.8 per 100K people (39 cases)
--- Nonprimary and nonsecondary early syphilis: 32.4 per 100K people (27 cases)
#22. Yuba County
Canva
- Chlamydia cases: 407.4 per 100K people (372 cases)
- Gonorrhea cases: 241.0 per 100K people (220 cases)
- Syphilis cases (non-congenital): 21.9 per 100K people (20 cases)
--- Primary and secondary syphilis: 17.5 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 4.4 per 100K people (4 cases)
- Gonorrhea cases: 241.0 per 100K people (220 cases)
- Syphilis cases (non-congenital): 21.9 per 100K people (20 cases)
--- Primary and secondary syphilis: 17.5 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 4.4 per 100K people (4 cases)
#21. Mendocino County
Canva
- Chlamydia cases: 409.2 per 100K people (888 cases)
- Gonorrhea cases: 161.3 per 100K people (350 cases)
- Syphilis cases (non-congenital): 25.8 per 100K people (56 cases)
--- Primary and secondary syphilis: 16.1 per 100K people (35 cases)
--- Nonprimary and nonsecondary early syphilis: 9.7 per 100K people (21 case)
- Gonorrhea cases: 161.3 per 100K people (350 cases)
- Syphilis cases (non-congenital): 25.8 per 100K people (56 cases)
--- Primary and secondary syphilis: 16.1 per 100K people (35 cases)
--- Nonprimary and nonsecondary early syphilis: 9.7 per 100K people (21 case)
#20. Yolo County
Canva
- Chlamydia cases: 423.9 per 100K people (4,923 cases)
- Gonorrhea cases: 179.2 per 100K people (2,081 case)
- Syphilis cases (non-congenital): 27.1 per 100K people (315 cases)
--- Primary and secondary syphilis: 16.7 per 100K people (194 cases)
--- Nonprimary and nonsecondary early syphilis: 10.4 per 100K people (121 case)
- Gonorrhea cases: 179.2 per 100K people (2,081 case)
- Syphilis cases (non-congenital): 27.1 per 100K people (315 cases)
--- Primary and secondary syphilis: 16.7 per 100K people (194 cases)
--- Nonprimary and nonsecondary early syphilis: 10.4 per 100K people (121 case)
#19. Contra Costa County
Canva
- Chlamydia cases: 434.4 per 100K people (2,402 cases)
- Gonorrhea cases: 170.7 per 100K people (944 cases)
- Syphilis cases (non-congenital): 67.5 per 100K people (373 cases)
--- Primary and secondary syphilis: 46.8 per 100K people (259 cases)
--- Nonprimary and nonsecondary early syphilis: 20.6 per 100K people (114 cases)
- Gonorrhea cases: 170.7 per 100K people (944 cases)
- Syphilis cases (non-congenital): 67.5 per 100K people (373 cases)
--- Primary and secondary syphilis: 46.8 per 100K people (259 cases)
--- Nonprimary and nonsecondary early syphilis: 20.6 per 100K people (114 cases)
#18. Stanislaus County
Canva
- Chlamydia cases: 451.8 per 100K people (7,448 cases)
- Gonorrhea cases: 231.1 per 100K people (3,809 cases)
- Syphilis cases (non-congenital): 22.7 per 100K people (375 cases)
--- Primary and secondary syphilis: 12.0 per 100K people (198 cases)
--- Nonprimary and nonsecondary early syphilis: 10.7 per 100K people (177 cases)
- Gonorrhea cases: 231.1 per 100K people (3,809 cases)
- Syphilis cases (non-congenital): 22.7 per 100K people (375 cases)
--- Primary and secondary syphilis: 12.0 per 100K people (198 cases)
--- Nonprimary and nonsecondary early syphilis: 10.7 per 100K people (177 cases)
#17. Alameda County
Canva
- Chlamydia cases: 470.4 per 100K people (846 cases)
- Gonorrhea cases: 137.3 per 100K people (247 cases)
- Syphilis cases (non-congenital): 18.9 per 100K people (34 cases)
--- Primary and secondary syphilis: 10.6 per 100K people (19 cases)
--- Nonprimary and nonsecondary early syphilis: 8.3 per 100K people (15 cases)
- Gonorrhea cases: 137.3 per 100K people (247 cases)
- Syphilis cases (non-congenital): 18.9 per 100K people (34 cases)
--- Primary and secondary syphilis: 10.6 per 100K people (19 cases)
--- Nonprimary and nonsecondary early syphilis: 8.3 per 100K people (15 cases)
#16. Imperial County
Canva
- Chlamydia cases: 481.1 per 100K people (7,645 cases)
- Gonorrhea cases: 277.9 per 100K people (4,416 cases)
- Syphilis cases (non-congenital): 45.3 per 100K people (719 cases)
--- Primary and secondary syphilis: 30.1 per 100K people (479 cases)
--- Nonprimary and nonsecondary early syphilis: 15.1 per 100K people (240 cases)
- Gonorrhea cases: 277.9 per 100K people (4,416 cases)
- Syphilis cases (non-congenital): 45.3 per 100K people (719 cases)
--- Primary and secondary syphilis: 30.1 per 100K people (479 cases)
--- Nonprimary and nonsecondary early syphilis: 15.1 per 100K people (240 cases)
#15. Sacramento County
Canva
- Chlamydia cases: 487.8 per 100K people (11,991 case)
- Gonorrhea cases: 200.3 per 100K people (4,924 cases)
- Syphilis cases (non-congenital): 35.4 per 100K people (871 case)
--- Primary and secondary syphilis: 16.4 per 100K people (402 cases)
--- Nonprimary and nonsecondary early syphilis: 19.1 per 100K people (469 cases)
- Gonorrhea cases: 200.3 per 100K people (4,924 cases)
- Syphilis cases (non-congenital): 35.4 per 100K people (871 case)
--- Primary and secondary syphilis: 16.4 per 100K people (402 cases)
--- Nonprimary and nonsecondary early syphilis: 19.1 per 100K people (469 cases)
#14. Riverside County
Canva
- Chlamydia cases: 494.5 per 100K people (1,030 cases)
- Gonorrhea cases: 224.7 per 100K people (468 cases)
- Syphilis cases (non-congenital): 58.6 per 100K people (122 cases)
--- Primary and secondary syphilis: 46.6 per 100K people (97 cases)
--- Nonprimary and nonsecondary early syphilis: 12.0 per 100K people (25 cases)
- Gonorrhea cases: 224.7 per 100K people (468 cases)
- Syphilis cases (non-congenital): 58.6 per 100K people (122 cases)
--- Primary and secondary syphilis: 46.6 per 100K people (97 cases)
--- Nonprimary and nonsecondary early syphilis: 12.0 per 100K people (25 cases)
#13. Butte County
Canva
- Chlamydia cases: 503.3 per 100K people (2,201 case)
- Gonorrhea cases: 146.6 per 100K people (641 case)
- Syphilis cases (non-congenital): 17.1 per 100K people (75 cases)
--- Primary and secondary syphilis: 11.2 per 100K people (49 cases)
--- Nonprimary and nonsecondary early syphilis: 5.9 per 100K people (26 cases)
- Gonorrhea cases: 146.6 per 100K people (641 case)
- Syphilis cases (non-congenital): 17.1 per 100K people (75 cases)
--- Primary and secondary syphilis: 11.2 per 100K people (49 cases)
--- Nonprimary and nonsecondary early syphilis: 5.9 per 100K people (26 cases)
#12. Monterey County
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- Chlamydia cases: 523.8 per 100K people (2,366 cases)
- Gonorrhea cases: 227.6 per 100K people (1,028 cases)
- Syphilis cases (non-congenital): 34.5 per 100K people (156 cases)
--- Primary and secondary syphilis: 22.1 per 100K people (100 cases)
--- Nonprimary and nonsecondary early syphilis: 12.4 per 100K people (56 cases)
- Gonorrhea cases: 227.6 per 100K people (1,028 cases)
- Syphilis cases (non-congenital): 34.5 per 100K people (156 cases)
--- Primary and secondary syphilis: 22.1 per 100K people (100 cases)
--- Nonprimary and nonsecondary early syphilis: 12.4 per 100K people (56 cases)
#11. Solano County
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- Chlamydia cases: 535.5 per 100K people (4,227 cases)
- Gonorrhea cases: 222.2 per 100K people (1,754 cases)
- Syphilis cases (non-congenital): 45.4 per 100K people (358 cases)
--- Primary and secondary syphilis: 24.7 per 100K people (195 cases)
--- Nonprimary and nonsecondary early syphilis: 20.6 per 100K people (163 cases)
- Gonorrhea cases: 222.2 per 100K people (1,754 cases)
- Syphilis cases (non-congenital): 45.4 per 100K people (358 cases)
--- Primary and secondary syphilis: 24.7 per 100K people (195 cases)
--- Nonprimary and nonsecondary early syphilis: 20.6 per 100K people (163 cases)
#10. San Joaquin County
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- Chlamydia cases: 543.9 per 100K people (867 cases)
- Gonorrhea cases: 141.1 per 100K people (225 cases)
- Syphilis cases (non-congenital): 27.6 per 100K people (44 cases)
--- Primary and secondary syphilis: 22.6 per 100K people (36 cases)
--- Nonprimary and nonsecondary early syphilis: 5.0 per 100K people (8 cases)
- Gonorrhea cases: 141.1 per 100K people (225 cases)
- Syphilis cases (non-congenital): 27.6 per 100K people (44 cases)
--- Primary and secondary syphilis: 22.6 per 100K people (36 cases)
--- Nonprimary and nonsecondary early syphilis: 5.0 per 100K people (8 cases)
#9. Madera County
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- Chlamydia cases: 552.0 per 100K people (18,138 cases)
- Gonorrhea cases: 247.9 per 100K people (8,147 cases)
- Syphilis cases (non-congenital): 38.3 per 100K people (1,259 cases)
--- Primary and secondary syphilis: 18.8 per 100K people (617 cases)
--- Nonprimary and nonsecondary early syphilis: 19.5 per 100K people (642 cases)
- Gonorrhea cases: 247.9 per 100K people (8,147 cases)
- Syphilis cases (non-congenital): 38.3 per 100K people (1,259 cases)
--- Primary and secondary syphilis: 18.8 per 100K people (617 cases)
--- Nonprimary and nonsecondary early syphilis: 19.5 per 100K people (642 cases)
#8. San Diego County
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- Chlamydia cases: 579.5 per 100K people (12,719 cases)
- Gonorrhea cases: 253.0 per 100K people (5,552 cases)
- Syphilis cases (non-congenital): 40.1 per 100K people (881 case)
--- Primary and secondary syphilis: 21.1 per 100K people (462 cases)
--- Nonprimary and nonsecondary early syphilis: 19.1 per 100K people (419 cases)
- Gonorrhea cases: 253.0 per 100K people (5,552 cases)
- Syphilis cases (non-congenital): 40.1 per 100K people (881 case)
--- Primary and secondary syphilis: 21.1 per 100K people (462 cases)
--- Nonprimary and nonsecondary early syphilis: 19.1 per 100K people (419 cases)
#7. San Bernardino County
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- Chlamydia cases: 580.4 per 100K people (57,048 cases)
- Gonorrhea cases: 316.4 per 100K people (31,097 cases)
- Syphilis cases (non-congenital): 63.4 per 100K people (6,231 case)
--- Primary and secondary syphilis: 27.3 per 100K people (2,686 cases)
--- Nonprimary and nonsecondary early syphilis: 36.1 per 100K people (3,545 cases)
- Gonorrhea cases: 316.4 per 100K people (31,097 cases)
- Syphilis cases (non-congenital): 63.4 per 100K people (6,231 case)
--- Primary and secondary syphilis: 27.3 per 100K people (2,686 cases)
--- Nonprimary and nonsecondary early syphilis: 36.1 per 100K people (3,545 cases)
#6. Los Angeles County
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- Chlamydia cases: 611.9 per 100K people (2,919 cases)
- Gonorrhea cases: 170.2 per 100K people (812 cases)
- Syphilis cases (non-congenital): 37.9 per 100K people (181 case)
--- Primary and secondary syphilis: 27.7 per 100K people (132 cases)
--- Nonprimary and nonsecondary early syphilis: 10.3 per 100K people (49 cases)
- Gonorrhea cases: 170.2 per 100K people (812 cases)
- Syphilis cases (non-congenital): 37.9 per 100K people (181 case)
--- Primary and secondary syphilis: 27.7 per 100K people (132 cases)
--- Nonprimary and nonsecondary early syphilis: 10.3 per 100K people (49 cases)
#5. Tulare County
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- Chlamydia cases: 637.3 per 100K people (6,460 cases)
- Gonorrhea cases: 266.8 per 100K people (2,704 cases)
- Syphilis cases (non-congenital): 44.2 per 100K people (448 cases)
--- Primary and secondary syphilis: 25.4 per 100K people (257 cases)
--- Nonprimary and nonsecondary early syphilis: 18.8 per 100K people (191 case)
- Gonorrhea cases: 266.8 per 100K people (2,704 cases)
- Syphilis cases (non-congenital): 44.2 per 100K people (448 cases)
--- Primary and secondary syphilis: 25.4 per 100K people (257 cases)
--- Nonprimary and nonsecondary early syphilis: 18.8 per 100K people (191 case)
#4. Fresno County
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- Chlamydia cases: 650.7 per 100K people (5,971 case)
- Gonorrhea cases: 243.1 per 100K people (2,231 case)
- Syphilis cases (non-congenital): 59.4 per 100K people (545 cases)
--- Primary and secondary syphilis: 30.9 per 100K people (284 cases)
--- Nonprimary and nonsecondary early syphilis: 28.4 per 100K people (261 case)
- Gonorrhea cases: 243.1 per 100K people (2,231 case)
- Syphilis cases (non-congenital): 59.4 per 100K people (545 cases)
--- Primary and secondary syphilis: 30.9 per 100K people (284 cases)
--- Nonprimary and nonsecondary early syphilis: 28.4 per 100K people (261 case)
#3. Kern County
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- Chlamydia cases: 671.3 per 100K people (1,030 cases)
- Gonorrhea cases: 210.5 per 100K people (323 cases)
- Syphilis cases (non-congenital): 20.9 per 100K people (32 cases)
--- Primary and secondary syphilis: 16.3 per 100K people (25 cases)
--- Nonprimary and nonsecondary early syphilis: 4.6 per 100K people (7 cases)
- Gonorrhea cases: 210.5 per 100K people (323 cases)
- Syphilis cases (non-congenital): 20.9 per 100K people (32 cases)
--- Primary and secondary syphilis: 16.3 per 100K people (25 cases)
--- Nonprimary and nonsecondary early syphilis: 4.6 per 100K people (7 cases)
#2. Kings County
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- Chlamydia cases: 791.2 per 100K people (6,450 cases)
- Gonorrhea cases: 674.3 per 100K people (5,497 cases)
- Syphilis cases (non-congenital): 151.7 per 100K people (1,237 cases)
--- Primary and secondary syphilis: 50.2 per 100K people (409 cases)
--- Nonprimary and nonsecondary early syphilis: 101.6 per 100K people (828 cases)
- Gonorrhea cases: 674.3 per 100K people (5,497 cases)
- Syphilis cases (non-congenital): 151.7 per 100K people (1,237 cases)
--- Primary and secondary syphilis: 50.2 per 100K people (409 cases)
--- Nonprimary and nonsecondary early syphilis: 101.6 per 100K people (828 cases)
This story features data reporting and writing by Emma Rubin and is part of a series utilizing data automation across 49 states.
#1. San Francisco County
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