STD Rates in Ozaukee County, Wisconsin

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 93,451
Combined
171.2
per 100K
53rd / 72
Chlamydia
135.9
per 100K • 127 cases
Gonorrhea
32.1
per 100K • 30 cases
Syphilis P&S
3.2
per 100K • 3 cases

Ozaukee County recorded a combined STD rate of 171.2 per 100,000 residents in 2023, ranking 53rd of 72 counties in Wisconsin. Reported infections included chlamydia at 135.9 per 100,000 (127 cases, 68% below the state rate), gonorrhea at 32.1 per 100,000 (30 cases, 73% below the state rate), syphilis at 3.2 per 100,000 (3 cases, 65% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Ozaukee County has confidential testing locations available.

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Ozaukee County vs Wisconsin Average

Infection Ozaukee County Wisconsin Rate Difference
Chlamydia 135.9 422.8 68% below
Gonorrhea 32.1 118.5 73% below
Syphilis (P&S) 3.2 9.1 65% below

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Largest cities in Ozaukee County, Wisconsin

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

STD testing in Mequon, WI25,270 people → STD testing in Port Washington, WI12,645 people → STD testing in Cedarburg, WI12,605 people → STD testing in Grafton, WI12,445 people →

Largest Counties in Wisconsin

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

All 72 Wisconsin counties → STD testing in Wisconsin →

FAQs

Ozaukee County ranks 53rd of 72 Wisconsin counties for combined STD rate in 2023, at 171.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Ozaukee County, with 127 cases at a rate of 135.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Ozaukee 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