STD Rates in St. Clair County, Alabama
2023 CDC surveillance data for St. Clair County, Alabama — chlamydia, gonorrhea, and syphilis rates with state comparisons.
St. Clair County is among the lower-burden counties in Alabama, reporting a combined STD rate of 348.5 per 100,000 residents in 2023 — 60th of 67 counties. Reported infections included chlamydia at 256.4 per 100,000 (245 cases, 61% below the state rate), gonorrhea at 82.7 per 100,000 (79 cases, 64% below the state rate), syphilis at 9.4 per 100,000 (9 cases, too few for a reliable comparison). Confidential STD testing is available throughout St. Clair County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in St. Clair County, 2000–2023
Reported cases per 100,000 residents each year, against the Alabama 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. Clair County vs Alabama and the US
| Infection | St. Clair County | Alabama | US | vs Alabama | vs US | Rank in Alabama |
|---|---|---|---|---|---|---|
| Chlamydia | 256.4245 cases | 651.1 | 490.7 | 60.6% below | 47.7% below | 61st of 67 |
| Gonorrhea | 82.779 cases | 226.9 | 178.2 | 63.6% below | 53.6% below | 54th of 67 |
| Syphilis (P&S) | 9.49 cases | 28.6 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Alabama’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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