Data Year: 2023Source: CDC STI SurveillancePopulation: 171,746
Combined
401.2
per 100K
10th / 72
Chlamydia
351.1
per 100K • 603 cases
Gonorrhea
43.1
per 100K • 74 cases
Syphilis P&S
7
per 100K • 12 cases
Winnebago County has one of the higher STD burdens in Wisconsin, with a combined rate of 401.2 per 100,000 residents in 2023 — ranking 10th of 72 counties. Reported infections included chlamydia at 351.1 per 100,000 (603 cases, 17% below the state rate), gonorrhea at 43.1 per 100,000 (74 cases, 64% below the state rate), syphilis at 7.0 per 100,000 (12 cases, 23% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Winnebago County.
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Data sourced from the CDC's annual STI Surveillance Report. Rates are per 100,000 population and reflect reported cases only — actual prevalence is likely higher due to undiagnosed infections. While we strive for accuracy, STDTest.com makes no representations or warranties regarding the completeness or accuracy of this data and is not responsible for any errors or omissions. This page is for informational purposes only and does not constitute medical advice.