STD Rates in Brown County, Wisconsin
2023 CDC surveillance data for Brown County, Wisconsin — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Brown County has one of the higher STD burdens in Wisconsin, with a combined rate of 526.5 per 100,000 residents in 2023 — ranking 6th of 72 counties. Reported infections included chlamydia at 444.3 per 100,000 (1,206 cases, 5% above the state rate), gonorrhea at 75.9 per 100,000 (206 cases, 36% below the state rate), syphilis at 6.3 per 100,000 (17 cases, too few for a reliable comparison). Confidential STD testing is available throughout Brown County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Brown 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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Brown County vs Wisconsin and the US
| Infection | Brown County | Wisconsin | US | vs Wisconsin | vs US | Rank in Wisconsin |
|---|---|---|---|---|---|---|
| Chlamydia | 444.31,206 cases | 422.8 | 490.7 | 5.1% above | 9.5% below | 4th of 72 |
| Gonorrhea | 75.9206 cases | 118.5 | 178.2 | 35.9% below | 57.4% below | 7th of 72 |
| Syphilis (P&S) | 6.317 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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