Counties with the highest STI rates in New York

Emma Rubin // Stacker
- Chlamydia cases: 526.9 per 100K (#14 nationally, 103,673 cases)
- Gonorrhea cases: 220.4 per 100K (#15 nationally, 43,362 cases)
- Primary and secondary syphilis cases: 18.3 per 100K (#22 nationally, 3,603 cases)
State-level statistics
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- Chlamydia cases: 175.3 per 100K people (115 cases)
- Gonorrhea cases: 42.7 per 100K people (28 cases)
- Syphilis cases (non-congenital): 7.6 per 100K people (5 cases)
--- Primary and secondary syphilis: 1.5 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 6.1 per 100K people (4 cases)
#50. Warren County
James Kirkikis // Shutterstock
- Chlamydia cases: 177.7 per 100K people (174 cases)
- Gonorrhea cases: 34.7 per 100K people (34 cases)
- Syphilis cases (non-congenital): 14.3 per 100K people (14 cases)
--- Primary and secondary syphilis: 6.1 per 100K people (6 cases)
--- Nonprimary and nonsecondary early syphilis: 8.2 per 100K people (8 cases)
#49. Putnam County
Bennekom // Shutterstock
- Chlamydia cases: 180.3 per 100K people (80 cases)
- Gonorrhea cases: 31.5 per 100K people (14 cases)
- Syphilis cases (non-congenital): 11.3 per 100K people (5 cases)
--- Primary and secondary syphilis: 9.0 per 100K people (4 cases)
--- Nonprimary and nonsecondary early syphilis: 2.3 per 100K people (1 case)
#48. Delaware County
Paige Petrie // Shutterstock
- Chlamydia cases: 182.2 per 100K people (84 cases)
- Gonorrhea cases: 26.0 per 100K people (12 cases)
- Syphilis cases (non-congenital): 2.2 per 100K people (1 case)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 2.2 per 100K people (1 case)
#47. Allegany County
WCohen // Shutterstock
- Chlamydia cases: 189.7 per 100K people (91 case)
- Gonorrhea cases: 41.7 per 100K people (20 cases)
- Syphilis cases (non-congenital): 2.1 per 100K people (1 case)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 2.1 per 100K people (1 case)
#46. Tioga County
Felix Lipov // Shutterstock
- Chlamydia cases: 189.7 per 100K people (92 cases)
- Gonorrhea cases: 63.9 per 100K people (31 case)
- Syphilis cases (non-congenital): 20.6 per 100K people (10 cases)
--- Primary and secondary syphilis: 12.4 per 100K people (6 cases)
--- Nonprimary and nonsecondary early syphilis: 8.2 per 100K people (4 cases)
#45. Greene County
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- Chlamydia cases: 190.0 per 100K people (64 cases)
- Gonorrhea cases: 71.2 per 100K people (24 cases)
- Syphilis cases (non-congenital): 11.9 per 100K people (4 cases)
--- Primary and secondary syphilis: 8.9 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 3.0 per 100K people (1 case)
#44. Seneca County
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- Chlamydia cases: 207.2 per 100K people (128 cases)
- Gonorrhea cases: 59.9 per 100K people (37 cases)
- Syphilis cases (non-congenital): 8.1 per 100K people (5 cases)
--- Primary and secondary syphilis: 3.2 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 4.9 per 100K people (3 cases)
#43. Columbia County
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- Chlamydia cases: 208.4 per 100K people (37 cases)
- Gonorrhea cases: 78.9 per 100K people (14 cases)
- Syphilis cases (non-congenital): 5.6 per 100K people (1 case)
--- Primary and secondary syphilis: 5.6 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#42. Schuyler County
SevenMaps // Shutterstock
- Chlamydia cases: 209.0 per 100K people (84 cases)
- Gonorrhea cases: 74.6 per 100K people (30 cases)
- Syphilis cases (non-congenital): 2.5 per 100K people (1 case)
--- Primary and secondary syphilis: 2.5 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#41. Orleans County
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- Chlamydia cases: 209.9 per 100K people (384 cases)
- Gonorrhea cases: 78.2 per 100K people (143 cases)
- Syphilis cases (non-congenital): 14.2 per 100K people (26 cases)
--- Primary and secondary syphilis: 4.9 per 100K people (9 cases)
--- Nonprimary and nonsecondary early syphilis: 9.3 per 100K people (17 cases)
#40. Ulster County
Richard Cavalleri // Shutterstock
- Chlamydia cases: 213.6 per 100K people (170 cases)
- Gonorrhea cases: 42.7 per 100K people (34 cases)
- Syphilis cases (non-congenital): 3.8 per 100K people (3 cases)
--- Primary and secondary syphilis: 2.5 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 1.3 per 100K people (1 case)
#39. Clinton County
fandangle // Shutterstock
- Chlamydia cases: 216.9 per 100K people (130 cases)
- Gonorrhea cases: 58.4 per 100K people (35 cases)
- Syphilis cases (non-congenital): 3.3 per 100K people (2 cases)
--- Primary and secondary syphilis: 3.3 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#38. Herkimer County
Kenneth Sponsler // Shutterstock
- Chlamydia cases: 227.1 per 100K people (132 cases)
- Gonorrhea cases: 36.1 per 100K people (21 case)
- Syphilis cases (non-congenital): 12.0 per 100K people (7 cases)
--- Primary and secondary syphilis: 8.6 per 100K people (5 cases)
--- Nonprimary and nonsecondary early syphilis: 3.4 per 100K people (2 cases)
#37. Otsego County
Sean McDonald // Shutterstock
- Chlamydia cases: 238.5 per 100K people (111 case)
- Gonorrhea cases: 51.6 per 100K people (24 cases)
- Syphilis cases (non-congenital): 8.6 per 100K people (4 cases)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 8.6 per 100K people (4 cases)
#36. Chenango County
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- Chlamydia cases: 244.4 per 100K people (275 cases)
- Gonorrhea cases: 82.7 per 100K people (93 cases)
- Syphilis cases (non-congenital): 5.3 per 100K people (6 cases)
--- Primary and secondary syphilis: 3.6 per 100K people (4 cases)
--- Nonprimary and nonsecondary early syphilis: 1.8 per 100K people (2 cases)
#35. Ontario County
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- Chlamydia cases: 246.0 per 100K people (188 cases)
- Gonorrhea cases: 79.8 per 100K people (61 case)
- Syphilis cases (non-congenital): 1.3 per 100K people (1 case)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 1.3 per 100K people (1 case)
#34. Cattaraugus County
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- Chlamydia cases: 246.8 per 100K people (197 cases)
- Gonorrhea cases: 87.7 per 100K people (70 cases)
- Syphilis cases (non-congenital): 13.8 per 100K people (11 case)
--- Primary and secondary syphilis: 3.8 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 10.0 per 100K people (8 cases)
#33. Sullivan County
Samantha Jo // Shutterstock
- Chlamydia cases: 249.9 per 100K people (270 cases)
- Gonorrhea cases: 28.7 per 100K people (31 case)
- Syphilis cases (non-congenital): 2.8 per 100K people (3 cases)
--- Primary and secondary syphilis: 1.9 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: .9 per 100K people (1 case)
#32. St. Lawrence County
Wangkun Jia // Shutterstock
- Chlamydia cases: 253.9 per 100K people (298 cases)
- Gonorrhea cases: 108.2 per 100K people (127 cases)
- Syphilis cases (non-congenital): 4.3 per 100K people (5 cases)
--- Primary and secondary syphilis: 2.6 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 1.7 per 100K people (2 cases)
#31. Oswego County
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- Chlamydia cases: 264.5 per 100K people (153 cases)
- Gonorrhea cases: 100.3 per 100K people (58 cases)
- Syphilis cases (non-congenital): 5.2 per 100K people (3 cases)
--- Primary and secondary syphilis: 1.7 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 3.5 per 100K people (2 cases)
#30. Genesee County
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- Chlamydia cases: 268.4 per 100K people (133 cases)
- Gonorrhea cases: 149.3 per 100K people (74 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
#29. Montgomery County
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- Chlamydia cases: 270.2 per 100K people (205 cases)
- Gonorrhea cases: 105.4 per 100K people (80 cases)
- Syphilis cases (non-congenital): 11.9 per 100K people (9 cases)
--- Primary and secondary syphilis: 6.6 per 100K people (5 cases)
--- Nonprimary and nonsecondary early syphilis: 5.3 per 100K people (4 cases)
#28. Cayuga County
Sue Smith // Shutterstock
- Chlamydia cases: 282.4 per 100K people (150 cases)
- Gonorrhea cases: 88.5 per 100K people (47 cases)
- Syphilis cases (non-congenital): 7.5 per 100K people (4 cases)
--- Primary and secondary syphilis: 7.5 per 100K people (4 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#27. Fulton County
Felix Lipov // Shutterstock
- Chlamydia cases: 295.7 per 100K people (1,003 cases)
- Gonorrhea cases: 55.4 per 100K people (188 cases)
- Syphilis cases (non-congenital): 12.1 per 100K people (41 case)
--- Primary and secondary syphilis: 6.2 per 100K people (21 case)
--- Nonprimary and nonsecondary early syphilis: 5.9 per 100K people (20 cases)
#26. Rockland County
Colin D. Young // Shutterstock
- Chlamydia cases: 297.5 per 100K people (884 cases)
- Gonorrhea cases: 78.1 per 100K people (232 cases)
- Syphilis cases (non-congenital): 26.9 per 100K people (80 cases)
--- Primary and secondary syphilis: 13.1 per 100K people (39 cases)
--- Nonprimary and nonsecondary early syphilis: 13.8 per 100K people (41 case)
#25. Dutchess County
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- Chlamydia cases: 300.2 per 100K people (481 case)
- Gonorrhea cases: 154.2 per 100K people (247 cases)
- Syphilis cases (non-congenital): 23.7 per 100K people (38 cases)
--- Primary and secondary syphilis: 11.9 per 100K people (19 cases)
--- Nonprimary and nonsecondary early syphilis: 11.9 per 100K people (19 cases)
#24. Rensselaer County
Roman Babakin // Shutterstock
- Chlamydia cases: 303.3 per 100K people (1,497 cases)
- Gonorrhea cases: 109.0 per 100K people (538 cases)
- Syphilis cases (non-congenital): 21.1 per 100K people (104 cases)
--- Primary and secondary syphilis: 6.5 per 100K people (32 cases)
--- Nonprimary and nonsecondary early syphilis: 14.6 per 100K people (72 cases)
#23. Richmond County
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- Chlamydia cases: 305.8 per 100K people (278 cases)
- Gonorrhea cases: 114.4 per 100K people (104 cases)
- Syphilis cases (non-congenital): 6.6 per 100K people (6 cases)
--- Primary and secondary syphilis: 2.2 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 4.4 per 100K people (4 cases)
#22. Wayne County
Lewis Liu // Shutterstock
- Chlamydia cases: 320.5 per 100K people (337 cases)
- Gonorrhea cases: 134.1 per 100K people (141 case)
- Syphilis cases (non-congenital): 17.1 per 100K people (18 cases)
--- Primary and secondary syphilis: 6.7 per 100K people (7 cases)
--- Nonprimary and nonsecondary early syphilis: 10.5 per 100K people (11 case)
#21. Tompkins County
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- Chlamydia cases: 321.6 per 100K people (4,909 cases)
- Gonorrhea cases: 78.8 per 100K people (1,202 cases)
- Syphilis cases (non-congenital): 17.5 per 100K people (267 cases)
--- Primary and secondary syphilis: 6.5 per 100K people (99 cases)
--- Nonprimary and nonsecondary early syphilis: 11.0 per 100K people (168 cases)
#20. Suffolk County
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- Chlamydia cases: 323.2 per 100K people (4,496 cases)
- Gonorrhea cases: 70.7 per 100K people (984 cases)
- Syphilis cases (non-congenital): 17.3 per 100K people (241 case)
--- Primary and secondary syphilis: 5.6 per 100K people (78 cases)
--- Nonprimary and nonsecondary early syphilis: 11.7 per 100K people (163 cases)
#19. Nassau County
Stef Ko // Shutterstock
- Chlamydia cases: 323.9 per 100K people (150 cases)
- Gonorrhea cases: 90.7 per 100K people (42 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
#18. Cortland County
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- Chlamydia cases: 341.5 per 100K people (433 cases)
- Gonorrhea cases: 146.7 per 100K people (186 cases)
- Syphilis cases (non-congenital): 6.3 per 100K people (8 cases)
--- Primary and secondary syphilis: 1.6 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 4.7 per 100K people (6 cases)
#17. Chautauqua County
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- Chlamydia cases: 352.7 per 100K people (3,520 cases)
- Gonorrhea cases: 100.0 per 100K people (998 cases)
- Syphilis cases (non-congenital): 22.0 per 100K people (220 cases)
--- Primary and secondary syphilis: 11.5 per 100K people (115 cases)
--- Nonprimary and nonsecondary early syphilis: 10.5 per 100K people (105 cases)
#16. Westchester County
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- Chlamydia cases: 354.5 per 100K people (1,434 cases)
- Gonorrhea cases: 82.3 per 100K people (333 cases)
- Syphilis cases (non-congenital): 26.2 per 100K people (106 cases)
--- Primary and secondary syphilis: 15.8 per 100K people (64 cases)
--- Nonprimary and nonsecondary early syphilis: 10.4 per 100K people (42 cases)
#15. Orange County
Nina Alizada // Shutterstock
- Chlamydia cases: 358.3 per 100K people (825 cases)
- Gonorrhea cases: 172.0 per 100K people (396 cases)
- Syphilis cases (non-congenital): 10.9 per 100K people (25 cases)
--- Primary and secondary syphilis: 6.5 per 100K people (15 cases)
--- Nonprimary and nonsecondary early syphilis: 4.3 per 100K people (10 cases)
#14. Oneida County
Mihai_Andritoiu // Shutterstock
- Chlamydia cases: 358.6 per 100K people (759 cases)
- Gonorrhea cases: 168.7 per 100K people (357 cases)
- Syphilis cases (non-congenital): 10.9 per 100K people (23 cases)
--- Primary and secondary syphilis: 7.6 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 3.3 per 100K people (7 cases)
#13. Niagara County
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- Chlamydia cases: 379.7 per 100K people (749 cases)
- Gonorrhea cases: 149.1 per 100K people (294 cases)
- Syphilis cases (non-congenital): 7.1 per 100K people (14 cases)
--- Primary and secondary syphilis: 2.5 per 100K people (5 cases)
--- Nonprimary and nonsecondary early syphilis: 4.6 per 100K people (9 cases)
#12. Broome County
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- Chlamydia cases: 390.1 per 100K people (324 cases)
- Gonorrhea cases: 175.8 per 100K people (146 cases)
- Syphilis cases (non-congenital): 8.4 per 100K people (7 cases)
--- Primary and secondary syphilis: 4.8 per 100K people (4 cases)
--- Nonprimary and nonsecondary early syphilis: 3.6 per 100K people (3 cases)
#11. Chemung County
Wangkun Jia // Shutterstock
- Chlamydia cases: 444.3 per 100K people (1,394 cases)
- Gonorrhea cases: 215.8 per 100K people (677 cases)
- Syphilis cases (non-congenital): 16.3 per 100K people (51 case)
--- Primary and secondary syphilis: 10.2 per 100K people (32 cases)
--- Nonprimary and nonsecondary early syphilis: 6.1 per 100K people (19 cases)
#10. Albany County
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- Chlamydia cases: 467.5 per 100K people (739 cases)
- Gonorrhea cases: 241.0 per 100K people (381 case)
- Syphilis cases (non-congenital): 44.3 per 100K people (70 cases)
--- Primary and secondary syphilis: 32.3 per 100K people (51 case)
--- Nonprimary and nonsecondary early syphilis: 12.0 per 100K people (19 cases)
#9. Schenectady County
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- Chlamydia cases: 474.5 per 100K people (4,511 case)
- Gonorrhea cases: 251.9 per 100K people (2,395 cases)
- Syphilis cases (non-congenital): 21.7 per 100K people (206 cases)
--- Primary and secondary syphilis: 12.5 per 100K people (119 cases)
--- Nonprimary and nonsecondary early syphilis: 9.2 per 100K people (87 cases)
#8. Erie County
littlenySTOCK // Shutterstock
- Chlamydia cases: 482.4 per 100K people (2,283 cases)
- Gonorrhea cases: 283.8 per 100K people (1,343 cases)
- Syphilis cases (non-congenital): 23.2 per 100K people (110 cases)
--- Primary and secondary syphilis: 16.1 per 100K people (76 cases)
--- Nonprimary and nonsecondary early syphilis: 7.2 per 100K people (34 cases)
#7. Onondaga County
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- Chlamydia cases: 544.2 per 100K people (12,685 cases)
- Gonorrhea cases: 186.8 per 100K people (4,355 cases)
- Syphilis cases (non-congenital): 50.0 per 100K people (1,165 cases)
--- Primary and secondary syphilis: 17.2 per 100K people (401 case)
--- Nonprimary and nonsecondary early syphilis: 32.8 per 100K people (764 cases)
#6. Queens County
Paul Brady Photography // Shutterstock
- Chlamydia cases: 608.1 per 100K people (4,592 cases)
- Gonorrhea cases: 348.5 per 100K people (2,632 cases)
- Syphilis cases (non-congenital): 73.1 per 100K people (552 cases)
--- Primary and secondary syphilis: 53.8 per 100K people (406 cases)
--- Nonprimary and nonsecondary early syphilis: 19.3 per 100K people (146 cases)
#5. Monroe County
Wangkun Jia // Shutterstock
- Chlamydia cases: 614.0 per 100K people (714 cases)
- Gonorrhea cases: 142.7 per 100K people (166 cases)
- Syphilis cases (non-congenital): 8.6 per 100K people (10 cases)
--- Primary and secondary syphilis: 3.4 per 100K people (4 cases)
--- Nonprimary and nonsecondary early syphilis: 5.2 per 100K people (6 cases)
#4. Jefferson County
Victor Moussa // Shutterstock
- Chlamydia cases: 720.0 per 100K people (19,015 cases)
- Gonorrhea cases: 328.8 per 100K people (8,684 cases)
- Syphilis cases (non-congenital): 70.7 per 100K people (1,868 cases)
--- Primary and secondary syphilis: 25.9 per 100K people (684 cases)
--- Nonprimary and nonsecondary early syphilis: 44.8 per 100K people (1,184 cases)
#3. Kings County
pisaphotography // Shutterstock
- Chlamydia cases: 871.2 per 100K people (13,738 cases)
- Gonorrhea cases: 538.0 per 100K people (8,484 cases)
- Syphilis cases (non-congenital): 126.6 per 100K people (1,997 cases)
--- Primary and secondary syphilis: 39.1 per 100K people (616 cases)
--- Nonprimary and nonsecondary early syphilis: 87.6 per 100K people (1,381 case)
#2. New York County
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- Chlamydia cases: 1,052.9 per 100K people (15,003 cases)
- Gonorrhea cases: 425.8 per 100K people (6,068 cases)
- Syphilis cases (non-congenital): 113.3 per 100K people (1,615 cases)
--- Primary and secondary syphilis: 34.7 per 100K people (495 cases)
--- Nonprimary and nonsecondary early syphilis: 78.6 per 100K people (1,120 cases)

This story features data reporting and writing by Emma Rubin and is part of a series utilizing data automation across 49 states.

#1. Bronx County
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