STD Rates in Mercer County, West Virginia
2023 CDC surveillance data for Mercer County, West Virginia — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Mercer County has one of the higher STD burdens in West Virginia, with a combined rate of 416.8 per 100,000 residents in 2023 — ranking 5th of 55 counties. Reported infections included chlamydia at 342.8 per 100,000 (199 cases, 38% above the state rate), gonorrhea at 72.3 per 100,000 (42 cases, 32% above the state rate), syphilis at 1.7 per 100,000 (1 case, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Mercer County has confidential testing locations available.
STD Trends in Mercer County, 2000–2023
Reported cases per 100,000 residents each year, against the West Virginia 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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Mercer County vs West Virginia and the US
| Infection | Mercer County | West Virginia | US | vs West Virginia | vs US | Rank in West Virginia |
|---|---|---|---|---|---|---|
| Chlamydia | 342.8199 cases | 249 | 490.7 | 37.7% above | 30.1% below | 5th of 55 |
| Gonorrhea | 72.342 cases | 54.7 | 178.2 | 32.2% above | 59.4% below | 7th of 55 |
| Syphilis (P&S) | 1.71 case | 10.9 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among West Virginia’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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