STD Rates in Marathon County, Wisconsin
2023 CDC surveillance data for Marathon County, Wisconsin — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Marathon County reported a combined STD rate of 290.7 per 100,000 residents in 2023, placing it 20th of 72 Wisconsin counties — in the upper half of the state. Reported infections included chlamydia at 253.9 per 100,000 (352 cases, 40% below the state rate), gonorrhea at 34.6 per 100,000 (48 cases, 71% below the state rate), syphilis at 2.2 per 100,000 (3 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Marathon County has confidential testing locations available.
STD Trends in Marathon 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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Marathon County vs Wisconsin and the US
| Infection | Marathon County | Wisconsin | US | vs Wisconsin | vs US | Rank in Wisconsin |
|---|---|---|---|---|---|---|
| Chlamydia | 253.9352 cases | 422.8 | 490.7 | 39.9% below | 48.3% below | 20th of 72 |
| Gonorrhea | 34.648 cases | 118.5 | 178.2 | 70.8% below | 80.6% below | 18th of 72 |
| Syphilis (P&S) | 2.23 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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