13. New York
Chlamydia Rate: 552.8 per 100,000 people
Gonorrhea Rate: 146.5 per 100, 000 people
Syphilis Rate: 12.4 per 100, 000 people
The 13th place on our list of states with the highest STD rates in the US in 2018 is New York. Not just that its chlamydia and gonorrhea rates are high, but the percent of syphilis is shocking, as well. In comparison with the previous Report from 2015, the number of STD cases has increased.