STD Rates in Nassau County, Florida
2023 CDC surveillance data for Nassau County, Florida — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Nassau County is among the lower-burden counties in Florida, reporting a combined STD rate of 279.8 per 100,000 residents in 2023 — 63rd of 67 counties. Reported infections included chlamydia at 206.9 per 100,000 (210 cases, 59% below the state rate), gonorrhea at 67.0 per 100,000 (68 cases, 68% below the state rate), syphilis at 5.9 per 100,000 (6 cases, too few for a reliable comparison). Confidential STD testing is available throughout Nassau County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Nassau 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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Nassau County vs Florida and the US
| Infection | Nassau County | Florida | US | vs Florida | vs US | Rank in Florida |
|---|---|---|---|---|---|---|
| Chlamydia | 206.9210 cases | 498.9 | 490.7 | 58.5% below | 57.8% below | 62nd of 67 |
| Gonorrhea | 6768 cases | 206.7 | 178.2 | 67.6% below | 62.4% below | 57th of 67 |
| Syphilis (P&S) | 5.96 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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