STD Rates in Washington County, Wisconsin
2023 CDC surveillance data for Washington County, Wisconsin — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Washington County is among the lower-burden counties in Wisconsin, reporting a combined STD rate of 161.4 per 100,000 residents in 2023 — 56th of 72 counties. Reported infections included chlamydia at 145.5 per 100,000 (201 cases, 66% below the state rate), gonorrhea at 13.0 per 100,000 (18 cases, too few for a reliable comparison), syphilis at 2.9 per 100,000 (4 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Washington County has confidential testing locations available.
STD Trends in Washington County, 2000–2023
Reported cases per 100,000 residents each year, against the Wisconsin 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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Washington County vs Wisconsin and the US
| Infection | Washington County | Wisconsin | US | vs Wisconsin | vs US | Rank in Wisconsin |
|---|---|---|---|---|---|---|
| Chlamydia | 145.5201 cases | 422.8 | 490.7 | 65.6% below | 70.3% below | 55th of 72 |
| Gonorrhea | 1318 cases | 118.5 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 2.94 cases | 9.1 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Wisconsin’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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