Counties with the highest STI rates in Massachusetts
Emma Rubin // Stacker
- Chlamydia cases: 406.4 per 100K (#36 nationally, 28,373 cases)
- Gonorrhea cases: 131.9 per 100K (#38 nationally, 9,206 cases)
- Primary and secondary syphilis cases: 11.8 per 100K (#34 nationally, 824 cases)
- Gonorrhea cases: 131.9 per 100K (#38 nationally, 9,206 cases)
- Primary and secondary syphilis cases: 11.8 per 100K (#34 nationally, 824 cases)
State-level statistics
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- Chlamydia cases: 143.6 per 100K people (102 cases)
- Gonorrhea cases: 47.9 per 100K people (34 cases)
- Syphilis cases (non-congenital): 2.8 per 100K people (2 cases)
--- Primary and secondary syphilis: 1.4 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 1.4 per 100K people (1 case)
- Gonorrhea cases: 47.9 per 100K people (34 cases)
- Syphilis cases (non-congenital): 2.8 per 100K people (2 cases)
--- Primary and secondary syphilis: 1.4 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 1.4 per 100K people (1 case)
#14. Franklin County
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- Chlamydia cases: 150.0 per 100K people (193 cases)
- Gonorrhea cases: 63.0 per 100K people (81 case)
- Syphilis cases (non-congenital): 3.1 per 100K people (4 cases)
--- Primary and secondary syphilis: 2.3 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: .8 per 100K people (1 case)
- Gonorrhea cases: 63.0 per 100K people (81 case)
- Syphilis cases (non-congenital): 3.1 per 100K people (4 cases)
--- Primary and secondary syphilis: 2.3 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: .8 per 100K people (1 case)
#13. Berkshire County
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- Chlamydia cases: 218.1 per 100K people (507 cases)
- Gonorrhea cases: 77.4 per 100K people (180 cases)
- Syphilis cases (non-congenital): 12.0 per 100K people (28 cases)
--- Primary and secondary syphilis: 6.9 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 5.2 per 100K people (12 cases)
- Gonorrhea cases: 77.4 per 100K people (180 cases)
- Syphilis cases (non-congenital): 12.0 per 100K people (28 cases)
--- Primary and secondary syphilis: 6.9 per 100K people (16 cases)
--- Nonprimary and nonsecondary early syphilis: 5.2 per 100K people (12 cases)
#12. Barnstable County
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- Chlamydia cases: 226.5 per 100K people (366 cases)
- Gonorrhea cases: 53.2 per 100K people (86 cases)
- Syphilis cases (non-congenital): 2.5 per 100K people (4 cases)
--- Primary and secondary syphilis: 1.9 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: .6 per 100K people (1 case)
- Gonorrhea cases: 53.2 per 100K people (86 cases)
- Syphilis cases (non-congenital): 2.5 per 100K people (4 cases)
--- Primary and secondary syphilis: 1.9 per 100K people (3 cases)
--- Nonprimary and nonsecondary early syphilis: .6 per 100K people (1 case)
#11. Hampshire County
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- Chlamydia cases: 227.5 per 100K people (48 cases)
- Gonorrhea cases: 33.2 per 100K people (7 cases)
- Syphilis cases (non-congenital): 9.5 per 100K people (2 cases)
--- Primary and secondary syphilis: 4.7 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 4.7 per 100K people (1 case)
- Gonorrhea cases: 33.2 per 100K people (7 cases)
- Syphilis cases (non-congenital): 9.5 per 100K people (2 cases)
--- Primary and secondary syphilis: 4.7 per 100K people (1 case)
--- Nonprimary and nonsecondary early syphilis: 4.7 per 100K people (1 case)
#10. Dukes County
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- Chlamydia cases: 264.0 per 100K people (1,913 cases)
- Gonorrhea cases: 64.0 per 100K people (464 cases)
- Syphilis cases (non-congenital): 12.3 per 100K people (89 cases)
--- Primary and secondary syphilis: 6.9 per 100K people (50 cases)
--- Nonprimary and nonsecondary early syphilis: 5.4 per 100K people (39 cases)
- Gonorrhea cases: 64.0 per 100K people (464 cases)
- Syphilis cases (non-congenital): 12.3 per 100K people (89 cases)
--- Primary and secondary syphilis: 6.9 per 100K people (50 cases)
--- Nonprimary and nonsecondary early syphilis: 5.4 per 100K people (39 cases)
#9. Norfolk County
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- Chlamydia cases: 293.2 per 100K people (4,735 cases)
- Gonorrhea cases: 84.2 per 100K people (1,360 cases)
- Syphilis cases (non-congenital): 19.3 per 100K people (312 cases)
--- Primary and secondary syphilis: 9.8 per 100K people (159 cases)
--- Nonprimary and nonsecondary early syphilis: 9.5 per 100K people (153 cases)
- Gonorrhea cases: 84.2 per 100K people (1,360 cases)
- Syphilis cases (non-congenital): 19.3 per 100K people (312 cases)
--- Primary and secondary syphilis: 9.8 per 100K people (159 cases)
--- Nonprimary and nonsecondary early syphilis: 9.5 per 100K people (153 cases)
#8. Middlesex County
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- Chlamydia cases: 310.8 per 100K people (2,679 cases)
- Gonorrhea cases: 82.6 per 100K people (712 cases)
- Syphilis cases (non-congenital): 13.9 per 100K people (120 cases)
--- Primary and secondary syphilis: 7.1 per 100K people (61 case)
--- Nonprimary and nonsecondary early syphilis: 6.8 per 100K people (59 cases)
- Gonorrhea cases: 82.6 per 100K people (712 cases)
- Syphilis cases (non-congenital): 13.9 per 100K people (120 cases)
--- Primary and secondary syphilis: 7.1 per 100K people (61 case)
--- Nonprimary and nonsecondary early syphilis: 6.8 per 100K people (59 cases)
#7. Worcester County
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- Chlamydia cases: 344.9 per 100K people (2,001 case)
- Gonorrhea cases: 112.9 per 100K people (655 cases)
- Syphilis cases (non-congenital): 22.4 per 100K people (130 cases)
--- Primary and secondary syphilis: 14.8 per 100K people (86 cases)
--- Nonprimary and nonsecondary early syphilis: 7.6 per 100K people (44 cases)
- Gonorrhea cases: 112.9 per 100K people (655 cases)
- Syphilis cases (non-congenital): 22.4 per 100K people (130 cases)
--- Primary and secondary syphilis: 14.8 per 100K people (86 cases)
--- Nonprimary and nonsecondary early syphilis: 7.6 per 100K people (44 cases)
#6. Bristol County
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- Chlamydia cases: 358.2 per 100K people (1,909 cases)
- Gonorrhea cases: 93.2 per 100K people (497 cases)
- Syphilis cases (non-congenital): 15.2 per 100K people (81 case)
--- Primary and secondary syphilis: 9.6 per 100K people (51 case)
--- Nonprimary and nonsecondary early syphilis: 5.6 per 100K people (30 cases)
- Gonorrhea cases: 93.2 per 100K people (497 cases)
- Syphilis cases (non-congenital): 15.2 per 100K people (81 case)
--- Primary and secondary syphilis: 9.6 per 100K people (51 case)
--- Nonprimary and nonsecondary early syphilis: 5.6 per 100K people (30 cases)
#5. Plymouth County
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- Chlamydia cases: 424.5 per 100K people (3,426 cases)
- Gonorrhea cases: 90.7 per 100K people (732 cases)
- Syphilis cases (non-congenital): 13.3 per 100K people (107 cases)
--- Primary and secondary syphilis: 6.7 per 100K people (54 cases)
--- Nonprimary and nonsecondary early syphilis: 6.6 per 100K people (53 cases)
- Gonorrhea cases: 90.7 per 100K people (732 cases)
- Syphilis cases (non-congenital): 13.3 per 100K people (107 cases)
--- Primary and secondary syphilis: 6.7 per 100K people (54 cases)
--- Nonprimary and nonsecondary early syphilis: 6.6 per 100K people (53 cases)
#4. Essex County
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- Chlamydia cases: 448.6 per 100K people (65 cases)
- Gonorrhea cases: 41.4 per 100K people (6 cases)
- Syphilis cases (non-congenital): 6.9 per 100K people (1 case)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 6.9 per 100K people (1 case)
- Gonorrhea cases: 41.4 per 100K people (6 cases)
- Syphilis cases (non-congenital): 6.9 per 100K people (1 case)
--- Primary and secondary syphilis: 0 cases
--- Nonprimary and nonsecondary early syphilis: 6.9 per 100K people (1 case)
#3. Nantucket County
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- Chlamydia cases: 531.0 per 100K people (2,457 cases)
- Gonorrhea cases: 229.9 per 100K people (1,064 cases)
- Syphilis cases (non-congenital): 21.8 per 100K people (101 case)
--- Primary and secondary syphilis: 12.3 per 100K people (57 cases)
--- Nonprimary and nonsecondary early syphilis: 9.5 per 100K people (44 cases)
- Gonorrhea cases: 229.9 per 100K people (1,064 cases)
- Syphilis cases (non-congenital): 21.8 per 100K people (101 case)
--- Primary and secondary syphilis: 12.3 per 100K people (57 cases)
--- Nonprimary and nonsecondary early syphilis: 9.5 per 100K people (44 cases)
#2. Hampden County
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- Chlamydia cases: 807.8 per 100K people (6,230 cases)
- Gonorrhea cases: 298.0 per 100K people (2,298 cases)
- Syphilis cases (non-congenital): 49.9 per 100K people (385 cases)
--- Primary and secondary syphilis: 25.8 per 100K people (199 cases)
--- Nonprimary and nonsecondary early syphilis: 24.1 per 100K people (186 cases)
- Gonorrhea cases: 298.0 per 100K people (2,298 cases)
- Syphilis cases (non-congenital): 49.9 per 100K people (385 cases)
--- Primary and secondary syphilis: 25.8 per 100K people (199 cases)
--- Nonprimary and nonsecondary early syphilis: 24.1 per 100K people (186 cases)
This story features data reporting and writing by Emma Rubin and is part of a series utilizing data automation across 49 states.
#1. Suffolk County
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