STD Rates in Dane County, Wisconsin

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 575,282
Combined
557.4
per 100K
5th / 72
Chlamydia
433.7
per 100K • 2,495 cases
Gonorrhea
118
per 100K • 679 cases
Syphilis P&S
5.7
per 100K • 33 cases

Dane County has one of the higher STD burdens in Wisconsin, with a combined rate of 557.4 per 100,000 residents in 2023 — ranking 5th of 72 counties. Reported infections included chlamydia at 433.7 per 100,000 (2,495 cases, 3% above the state rate), gonorrhea at 118.0 per 100,000 (679 cases, 0% below the state rate), syphilis at 5.7 per 100,000 (33 cases, 37% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Dane County has confidential testing locations available.

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Dane County vs Wisconsin Average

Infection Dane County Wisconsin Rate Difference
Chlamydia 433.7 422.8 3% above
Gonorrhea 118 118.5 0% below
Syphilis (P&S) 5.7 9.1 37% below

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Largest cities in Dane County, Wisconsin

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

STD testing in Madison, WI278,001 people → STD testing in Sun Prairie, WI37,570 people → STD testing in Fitchburg, WI32,619 people → STD testing in Middleton, WI22,301 people → STD testing in Waunakee, WI15,687 people → STD testing in Verona, WI15,232 people → STD testing in Stoughton, WI13,033 people → STD testing in Oregon, WI11,547 people → STD testing in Deforest, WI11,501 people → STD testing in Cottage Grove, WI8,513 people →
Show all 11 cities ↓Show fewer cities ↑
STD testing in Mount Horeb, WI7,736 people →

Largest Counties in Wisconsin

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

All 72 Wisconsin counties → STD testing in Wisconsin →

FAQs

Dane County ranks 5th of 72 Wisconsin counties for combined STD rate in 2023, at 557.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Dane County, with 2,495 cases at a rate of 433.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Dane 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