Counties with the highest STI rates in Tennessee

Emma Rubin // Stacker
- Chlamydia cases: 538.1 per 100K (#12 nationally, 37,942 cases)
- Gonorrhea cases: 227.9 per 100K (#11 nationally, 16,069 cases)
- Primary and secondary syphilis cases: 16.0 per 100K (#23 nationally, 1,126 cases)
State-level statistics
Tracy Burroughs Brown // Shutterstock
- Chlamydia cases: 308.7 per 100K people (469 cases)
- Gonorrhea cases: 99.4 per 100K people (151 case)
- Syphilis cases (non-congenital): 12.5 per 100K people (19 cases)
--- Primary and secondary syphilis: 4.6 per 100K people (7 cases)
--- Nonprimary and nonsecondary early syphilis: 7.9 per 100K people (12 cases)
#50. Wilson County
NancyRutledge // Shutterstock
- Chlamydia cases: 310.4 per 100K people (110 cases)
- Gonorrhea cases: 206.0 per 100K people (73 cases)
- Syphilis cases (non-congenital): 16.9 per 100K people (6 cases)
--- Primary and secondary syphilis: 8.5 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 8.5 per 100K people (3 cases)
#49. Lincoln County
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- Chlamydia cases: 316.9 per 100K people (52 cases)
- Gonorrhea cases: 103.6 per 100K people (17 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
#48. Wayne County
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- Chlamydia cases: 321.9 per 100K people (190 cases)
- Gonorrhea cases: 193.1 per 100K people (114 cases)
- Syphilis cases (non-congenital): 13.6 per 100K people (8 cases)
--- Primary and secondary syphilis: 6.8 per 100K people (4 cases)
--- Nonprimary and nonsecondary early syphilis: 6.8 per 100K people (4 cases)
#47. Coffee County
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- Chlamydia cases: 323.4 per 100K people (151 case)
- Gonorrhea cases: 149.9 per 100K people (70 cases)
- Syphilis cases (non-congenital): 34.3 per 100K people (16 cases)
--- Primary and secondary syphilis: 25.7 per 100K people (12 cases)
--- Nonprimary and nonsecondary early syphilis: 8.6 per 100K people (4 cases)
#46. Monroe County
Sabrina Janelle Gordon // Shutterstock
- Chlamydia cases: 324.6 per 100K people (27 cases)
- Gonorrhea cases: 180.4 per 100K people (15 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
#45. Houston County
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- Chlamydia cases: 327.7 per 100K people (58 cases)
- Gonorrhea cases: 113.0 per 100K people (20 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
#44. Unicoi County
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- Chlamydia cases: 327.9 per 100K people (243 cases)
- Gonorrhea cases: 105.3 per 100K people (78 cases)
- Syphilis cases (non-congenital): 8.1 per 100K people (6 cases)
--- Primary and secondary syphilis: 2.7 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 5.4 per 100K people (4 cases)
#43. Robertson County
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- Chlamydia cases: 329.2 per 100K people (182 cases)
- Gonorrhea cases: 113.9 per 100K people (63 cases)
- Syphilis cases (non-congenital): 1.8 per 100K people (1 case)
--- Primary and secondary syphilis: 1.8 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#42. Dickson County
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- Chlamydia cases: 329.9 per 100K people (137 cases)
- Gonorrhea cases: 183.0 per 100K people (76 cases)
- Syphilis cases (non-congenital): 26.5 per 100K people (11 case)
--- Primary and secondary syphilis: 7.2 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 19.3 per 100K people (8 cases)
#41. Warren County
SevenMaps // Shutterstock
- Chlamydia cases: 337.1 per 100K people (59 cases)
- Gonorrhea cases: 131.4 per 100K people (23 cases)
- Syphilis cases (non-congenital): 5.7 per 100K people (1 case)
--- Primary and secondary syphilis: 5.7 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#40. Chester County
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- Chlamydia cases: 337.2 per 100K people (44 cases)
- Gonorrhea cases: 130.3 per 100K people (17 cases)
- Syphilis cases (non-congenital): 15.3 per 100K people (2 cases)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 15.3 per 100K people (2 cases)
#39. Meigs County
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- Chlamydia cases: 339.4 per 100K people (98 cases)
- Gonorrhea cases: 124.7 per 100K people (36 cases)
- Syphilis cases (non-congenital): 6.9 per 100K people (2 cases)
--- Primary and secondary syphilis: 6.9 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#38. Marion County
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- Chlamydia cases: 348.0 per 100K people (156 cases)
- Gonorrhea cases: 178.5 per 100K people (80 cases)
- Syphilis cases (non-congenital): 0 cases
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 0 cases
#37. Lawrence County
Tracy Burroughs Brown // Shutterstock
- Chlamydia cases: 350.0 per 100K people (702 cases)
- Gonorrhea cases: 144.1 per 100K people (289 cases)
- Syphilis cases (non-congenital): 10.5 per 100K people (21 case)
--- Primary and secondary syphilis: 6.0 per 100K people (12 cases)
--- Nonprimary and nonsecondary early syphilis: 4.5 per 100K people (9 cases)
#36. Sumner County
2Kahns Photo Arts // Shutterstock
- Chlamydia cases: 350.0 per 100K people (45 cases)
- Gonorrhea cases: 202.2 per 100K people (26 cases)
- Syphilis cases (non-congenital): 15.6 per 100K people (2 cases)
--- Primary and secondary syphilis: 7.8 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 7.8 per 100K people (1 case)
#35. Lewis County
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- Chlamydia cases: 353.7 per 100K people (228 cases)
- Gonorrhea cases: 85.3 per 100K people (55 cases)
- Syphilis cases (non-congenital): 18.6 per 100K people (12 cases)
--- Primary and secondary syphilis: 15.5 per 100K people (10 cases)
--- Nonprimary and nonsecondary early syphilis: 3.1 per 100K people (2 cases)
#34. Hamblen County
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- Chlamydia cases: 358.9 per 100K people (194 cases)
- Gonorrhea cases: 179.4 per 100K people (97 cases)
- Syphilis cases (non-congenital): 20.3 per 100K people (11 case)
--- Primary and secondary syphilis: 18.5 per 100K people (10 cases)
--- Nonprimary and nonsecondary early syphilis: 1.8 per 100K people (1 case)
#33. Mcminn County
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- Chlamydia cases: 359.7 per 100K people (358 cases)
- Gonorrhea cases: 64.3 per 100K people (64 cases)
- Syphilis cases (non-congenital): 13.1 per 100K people (13 cases)
--- Primary and secondary syphilis: 7.0 per 100K people (7 cases)
--- Nonprimary and nonsecondary early syphilis: 6.0 per 100K people (6 cases)
#32. Sevier County
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- Chlamydia cases: 362.9 per 100K people (117 cases)
- Gonorrhea cases: 238.8 per 100K people (77 cases)
- Syphilis cases (non-congenital): 15.5 per 100K people (5 cases)
--- Primary and secondary syphilis: 15.5 per 100K people (5 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#31. Henry County
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- Chlamydia cases: 363.5 per 100K people (94 cases)
- Gonorrhea cases: 116.0 per 100K people (30 cases)
- Syphilis cases (non-congenital): 15.5 per 100K people (4 cases)
--- Primary and secondary syphilis: 11.6 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 3.9 per 100K people (1 case)
#30. Mcnairy County
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- Chlamydia cases: 365.8 per 100K people (297 cases)
- Gonorrhea cases: 128.1 per 100K people (104 cases)
- Syphilis cases (non-congenital): 30.8 per 100K people (25 cases)
--- Primary and secondary syphilis: 20.9 per 100K people (17 cases)
--- Nonprimary and nonsecondary early syphilis: 9.9 per 100K people (8 cases)
#29. Putnam County
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- Chlamydia cases: 384.8 per 100K people (56 cases)
- Gonorrhea cases: 123.7 per 100K people (18 cases)
- Syphilis cases (non-congenital): 34.4 per 100K people (5 cases)
--- Primary and secondary syphilis: 6.9 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 27.5 per 100K people (4 cases)
#28. Cannon County
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- Chlamydia cases: 394.5 per 100K people (138 cases)
- Gonorrhea cases: 191.5 per 100K people (67 cases)
- Syphilis cases (non-congenital): 34.3 per 100K people (12 cases)
--- Primary and secondary syphilis: 25.7 per 100K people (9 cases)
--- Nonprimary and nonsecondary early syphilis: 8.6 per 100K people (3 cases)
#27. Marshall County
JNix // Shutterstock
- Chlamydia cases: 409.3 per 100K people (125 cases)
- Gonorrhea cases: 219.4 per 100K people (67 cases)
- Syphilis cases (non-congenital): 9.8 per 100K people (3 cases)
--- Primary and secondary syphilis: 9.8 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#26. Giles County
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- Chlamydia cases: 412.7 per 100K people (554 cases)
- Gonorrhea cases: 196.7 per 100K people (264 cases)
- Syphilis cases (non-congenital): 11.2 per 100K people (15 cases)
--- Primary and secondary syphilis: 6.7 per 100K people (9 cases)
--- Nonprimary and nonsecondary early syphilis: 4.5 per 100K people (6 cases)
#25. Washington County
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- Chlamydia cases: 429.3 per 100K people (120 cases)
- Gonorrhea cases: 161.0 per 100K people (45 cases)
- Syphilis cases (non-congenital): 10.7 per 100K people (3 cases)
--- Primary and secondary syphilis: 7.2 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 3.6 per 100K people (1 case)
#24. Henderson County
Tracy Burroughs Brown // Shutterstock
- Chlamydia cases: 435.7 per 100K people (480 cases)
- Gonorrhea cases: 205.2 per 100K people (226 cases)
- Syphilis cases (non-congenital): 26.3 per 100K people (29 cases)
--- Primary and secondary syphilis: 23.6 per 100K people (26 cases)
--- Nonprimary and nonsecondary early syphilis: 2.7 per 100K people (3 cases)
#23. Bradley County
laurie schaerer // Shutterstock
- Chlamydia cases: 457.8 per 100K people (234 cases)
- Gonorrhea cases: 236.7 per 100K people (121 case)
- Syphilis cases (non-congenital): 11.7 per 100K people (6 cases)
--- Primary and secondary syphilis: 9.8 per 100K people (5 cases)
--- Nonprimary and nonsecondary early syphilis: 2.0 per 100K people (1 case)
#22. Bedford County
SevenMaps // Shutterstock
- Chlamydia cases: 460.6 per 100K people (281 case)
- Gonorrhea cases: 268.8 per 100K people (164 cases)
- Syphilis cases (non-congenital): 4.9 per 100K people (3 cases)
--- Primary and secondary syphilis: 1.6 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 3.3 per 100K people (2 cases)
#21. Tipton County
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- Chlamydia cases: 465.8 per 100K people (488 cases)
- Gonorrhea cases: 253.0 per 100K people (265 cases)
- Syphilis cases (non-congenital): 23.9 per 100K people (25 cases)
--- Primary and secondary syphilis: 14.3 per 100K people (15 cases)
--- Nonprimary and nonsecondary early syphilis: 9.5 per 100K people (10 cases)
#20. Maury County
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- Chlamydia cases: 473.9 per 100K people (203 cases)
- Gonorrhea cases: 226.5 per 100K people (97 cases)
- Syphilis cases (non-congenital): 7.0 per 100K people (3 cases)
--- Primary and secondary syphilis: 7.0 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#19. Fayette County
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- Chlamydia cases: 503.0 per 100K people (143 cases)
- Gonorrhea cases: 288.4 per 100K people (82 cases)
- Syphilis cases (non-congenital): 59.8 per 100K people (17 cases)
--- Primary and secondary syphilis: 56.3 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 3.5 per 100K people (1 case)
#18. Carroll County
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- Chlamydia cases: 538.3 per 100K people (164 cases)
- Gonorrhea cases: 361.1 per 100K people (110 cases)
- Syphilis cases (non-congenital): 3.3 per 100K people (1 case)
--- Primary and secondary syphilis: 3.3 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#17. Obion County
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- Chlamydia cases: 543.7 per 100K people (76 cases)
- Gonorrhea cases: 250.4 per 100K people (35 cases)
- Syphilis cases (non-congenital): 21.5 per 100K people (3 cases)
--- Primary and secondary syphilis: 21.5 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#16. Crockett County
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- Chlamydia cases: 543.7 per 100K people (2,646 cases)
- Gonorrhea cases: 273.1 per 100K people (1,329 cases)
- Syphilis cases (non-congenital): 16.4 per 100K people (80 cases)
--- Primary and secondary syphilis: 9.9 per 100K people (48 cases)
--- Nonprimary and nonsecondary early syphilis: 6.6 per 100K people (32 cases)
#15. Knox County
ultramansk // Shutterstock
- Chlamydia cases: 544.1 per 100K people (275 cases)
- Gonorrhea cases: 326.5 per 100K people (165 cases)
- Syphilis cases (non-congenital): 19.8 per 100K people (10 cases)
--- Primary and secondary syphilis: 13.9 per 100K people (7 cases)
--- Nonprimary and nonsecondary early syphilis: 5.9 per 100K people (3 cases)
#14. Gibson County
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- Chlamydia cases: 547.9 per 100K people (181 case)
- Gonorrhea cases: 287.6 per 100K people (95 cases)
- Syphilis cases (non-congenital): 9.1 per 100K people (3 cases)
--- Primary and secondary syphilis: 3.0 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 6.1 per 100K people (2 cases)
#13. Weakley County
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- Chlamydia cases: 579.0 per 100K people (2,039 cases)
- Gonorrhea cases: 223.5 per 100K people (787 cases)
- Syphilis cases (non-congenital): 20.7 per 100K people (73 cases)
--- Primary and secondary syphilis: 13.1 per 100K people (46 cases)
--- Nonprimary and nonsecondary early syphilis: 7.7 per 100K people (27 cases)
#12. Rutherford County
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- Chlamydia cases: 603.6 per 100K people (2,228 cases)
- Gonorrhea cases: 314.0 per 100K people (1,159 cases)
- Syphilis cases (non-congenital): 26.3 per 100K people (97 cases)
--- Primary and secondary syphilis: 17.3 per 100K people (64 cases)
--- Nonprimary and nonsecondary early syphilis: 8.9 per 100K people (33 cases)
#11. Hamilton County
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- Chlamydia cases: 792.0 per 100K people (290 cases)
- Gonorrhea cases: 450.6 per 100K people (165 cases)
- Syphilis cases (non-congenital): 32.8 per 100K people (12 cases)
--- Primary and secondary syphilis: 27.3 per 100K people (10 cases)
--- Nonprimary and nonsecondary early syphilis: 5.5 per 100K people (2 cases)
#10. Dyer County
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- Chlamydia cases: 802.5 per 100K people (142 cases)
- Gonorrhea cases: 423.9 per 100K people (75 cases)
- Syphilis cases (non-congenital): 17.0 per 100K people (3 cases)
--- Primary and secondary syphilis: 17.0 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#9. Haywood County
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- Chlamydia cases: 841.8 per 100K people (60 cases)
- Gonorrhea cases: 505.1 per 100K people (36 cases)
- Syphilis cases (non-congenital): 14.0 per 100K people (1 case)
--- Primary and secondary syphilis: 14.0 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#8. Lake County
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- Chlamydia cases: 866.3 per 100K people (6,098 cases)
- Gonorrhea cases: 437.0 per 100K people (3,076 cases)
- Syphilis cases (non-congenital): 45.7 per 100K people (322 cases)
--- Primary and secondary syphilis: 19.6 per 100K people (138 cases)
--- Nonprimary and nonsecondary early syphilis: 26.1 per 100K people (184 cases)
#7. Davidson County
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- Chlamydia cases: 870.7 per 100K people (860 cases)
- Gonorrhea cases: 507.2 per 100K people (501 case)
- Syphilis cases (non-congenital): 19.2 per 100K people (19 cases)
--- Primary and secondary syphilis: 11.1 per 100K people (11 case)
--- Nonprimary and nonsecondary early syphilis: 8.1 per 100K people (8 cases)
#6. Madison County
Maxine Livingston // Shutterstock
- Chlamydia cases: 879.6 per 100K people (134 cases)
- Gonorrhea cases: 216.6 per 100K people (33 cases)
- Syphilis cases (non-congenital): 13.1 per 100K people (2 cases)
--- Primary and secondary syphilis: 13.1 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 0 cases
#5. Bledsoe County
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- Chlamydia cases: 892.8 per 100K people (227 cases)
- Gonorrhea cases: 377.6 per 100K people (96 cases)
- Syphilis cases (non-congenital): 11.8 per 100K people (3 cases)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 11.8 per 100K people (3 cases)
#4. Hardeman County
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- Chlamydia cases: 1,019.6 per 100K people (256 cases)
- Gonorrhea cases: 609.4 per 100K people (153 cases)
- Syphilis cases (non-congenital): 11.9 per 100K people (3 cases)
--- Primary and secondary syphilis: 8.0 per 100K people (2 cases)
--- Nonprimary and nonsecondary early syphilis: 4.0 per 100K people (1 case)
#3. Lauderdale County
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- Chlamydia cases: 1,039.5 per 100K people (2,369 cases)
- Gonorrhea cases: 422.6 per 100K people (963 cases)
- Syphilis cases (non-congenital): 25.9 per 100K people (59 cases)
--- Primary and secondary syphilis: 12.3 per 100K people (28 cases)
--- Nonprimary and nonsecondary early syphilis: 13.6 per 100K people (31 case)
#2. Montgomery County
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- Chlamydia cases: 1,071.1 per 100K people (9,902 cases)
- Gonorrhea cases: 561.6 per 100K people (5,192 cases)
- Syphilis cases (non-congenital): 73.6 per 100K people (680 cases)
--- Primary and secondary syphilis: 32.8 per 100K people (303 cases)
--- Nonprimary and nonsecondary early syphilis: 40.8 per 100K people (377 cases)

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

#1. Shelby County
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