STD Rates in Walworth County, Wisconsin
2023 CDC surveillance data for Walworth County, Wisconsin — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Walworth County has one of the higher STD burdens in Wisconsin, with a combined rate of 331.6 per 100,000 residents in 2023 — ranking 15th of 72 counties. Reported infections included chlamydia at 303.3 per 100,000 (321 cases, 28% below the state rate), gonorrhea at 27.4 per 100,000 (29 cases, 77% below the state rate), syphilis at 0.9 per 100,000 (1 case, too few for a reliable comparison). Confidential STD testing is available throughout Walworth County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Walworth 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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Walworth County vs Wisconsin and the US
| Infection | Walworth County | Wisconsin | US | vs Wisconsin | vs US | Rank in Wisconsin |
|---|---|---|---|---|---|---|
| Chlamydia | 303.3321 cases | 422.8 | 490.7 | 28.3% below | 38.2% below | 15th of 72 |
| Gonorrhea | 27.429 cases | 118.5 | 178.2 | 76.9% below | 84.6% below | 30th of 72 |
| Syphilis (P&S) | 0.91 case | 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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