STD Rates in St. Johns County, Florida
2023 CDC surveillance data for St. Johns County, Florida — chlamydia, gonorrhea, and syphilis rates with state comparisons.
St. Johns County is among the lower-burden counties in Florida, reporting a combined STD rate of 240.2 per 100,000 residents in 2023 — 64th of 67 counties. Reported infections included chlamydia at 181.5 per 100,000 (581 cases, 64% below the state rate), gonorrhea at 53.4 per 100,000 (171 cases, 74% below the state rate), syphilis at 5.3 per 100,000 (17 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across St. Johns County.
STD Trends in St. Johns County, 2000–2023
Reported cases per 100,000 residents each year, against the Florida rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.
Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.
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St. Johns County vs Florida and the US
| Infection | St. Johns County | Florida | US | vs Florida | vs US | Rank in Florida |
|---|---|---|---|---|---|---|
| Chlamydia | 181.5581 cases | 498.9 | 490.7 | 63.6% below | 63% below | 64th of 67 |
| Gonorrhea | 53.4171 cases | 206.7 | 178.2 | 74.2% below | 70% below | 63rd of 67 |
| Syphilis (P&S) | 5.317 cases | 19.3 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Florida’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.
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