STD Rates in St. Croix County, Wisconsin

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 96,739
Combined
217.1
per 100K
38th / 72
Chlamydia
180.9
per 100K • 175 cases
Gonorrhea
34.1
per 100K • 33 cases
Syphilis P&S
2.1
per 100K • 2 cases

St. Croix County recorded a combined STD rate of 217.1 per 100,000 residents in 2023, ranking 38th of 72 counties in Wisconsin. Reported infections included chlamydia at 180.9 per 100,000 (175 cases, 57% below the state rate), gonorrhea at 34.1 per 100,000 (33 cases, 71% below the state rate), syphilis at 2.1 per 100,000 (2 cases, 77% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. St. Croix County has confidential testing locations available.

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St. Croix County vs Wisconsin Average

Infection St. Croix County Wisconsin Rate Difference
Chlamydia 180.9 422.8 57% below
Gonorrhea 34.1 118.5 71% below
Syphilis (P&S) 2.1 9.1 77% below

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Largest cities in St. Croix County, Wisconsin

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

STD testing in Hudson, WI14,959 people → STD testing in New Richmond, WI10,539 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

St. Croix County ranks 38th of 72 Wisconsin counties for combined STD rate in 2023, at 217.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in St. Croix County, with 175 cases at a rate of 180.9 per 100,000 residents.
STDTest.com lists confidential testing locations across St. Croix 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