STD Rates in Brown County, Wisconsin

2023 CDC surveillance data for Brown County, Wisconsin — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 271,438
Combined
526.5
per 100K
6th / 72
Chlamydia
444.3
per 100K • 1,206 cases
Gonorrhea
75.9
per 100K • 206 cases
Syphilis P&S
6.3
per 100K • 17 cases

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, 31% below the state rate). Confidential STD testing is available throughout Brown County — knowing your status is the only way to catch infections that often show no symptoms.

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Brown County vs Wisconsin Average

Infection Brown County Wisconsin Rate Difference
Chlamydia 444.3 422.8 5% above
Gonorrhea 75.9 118.5 36% below
Syphilis (P&S) 6.3 9.1 31% below

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Largest cities in Brown County, Wisconsin

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Green Bay, WI106,253 people → STD testing in De Pere, WI25,301 people → STD testing in Howard, WI21,087 people → STD testing in Ashwaubenon, WI17,314 people → STD testing in Bellevue, WI16,442 people → STD testing in Allouez, WI13,975 people → STD testing in Suamico, WI12,985 people →

Largest Counties in Wisconsin

Milwaukee County → Dane County → Waukesha County → Racine County → Outagamie County → Winnebago County → Kenosha County → Rock County → Marathon County → Washington County →

All 72 Wisconsin counties → STD testing in Wisconsin →

FAQs

Brown County ranks 6th of 72 Wisconsin counties for combined STD rate in 2023, at 526.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Brown County, with 1,206 cases at a rate of 444.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Brown County and Wisconsin. Many offer same-day appointments with results in 1–3 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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.
Sources