11. Washington, DC
Total STDs: 9,060
Total STDs per 100,000: 1432.812
It is important to note that Washington DC was treated as a city, and not as a state, so it ended up being on the list. Out of the 9,060 people reported to have sexually transmitted diseases, 6,414 of them have chlamydia, 2,478 gonorrhea, while 167 persons suffer from syphilis.
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