STD Rates in Waukesha County, Wisconsin

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

Data Year: 2023 Source: CDC STI Surveillance Population: 412,680
Combined
206
per 100K
43rd / 72
Chlamydia
173.5
per 100K • 716 cases
US rate: 490.7
45th of 72 in Wisconsin
Higher than 21% of US counties
Gonorrhea
29.3
per 100K • 121 cases
US rate: 178.2
25th of 72 in Wisconsin
Higher than 24% of US counties
Syphilis P&S
3.2
per 100K • 13 cases
Based on 13 cases — interpret with care
US rate: 15.8

Waukesha County recorded a combined STD rate of 206.0 per 100,000 residents in 2023, ranking 43rd of 72 counties in Wisconsin. Reported infections included chlamydia at 173.5 per 100,000 (716 cases, 59% below the state rate), gonorrhea at 29.3 per 100,000 (121 cases, 75% below the state rate), syphilis at 3.2 per 100,000 (13 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Waukesha County.

STD Trends in Waukesha County, 2000–2023

Reported cases per 100,000 residents each year, against the Wisconsin rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
173.5
per 100K in 2023
0.0 in 2000
Peak 212.3 in 2019
Gonorrhea
29.3
per 100K in 2023
0.0 in 2000
Peak 50.1 in 2020
Syphilis (P&S)
3.2
per 100K in 2023
0.0 in 2000
Peak 4.4 in 2022

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Waukesha County vs Wisconsin and the US

Infection Waukesha County Wisconsin US vs Wisconsin vs US Rank in Wisconsin
Chlamydia 173.5716 cases 422.8 490.7 59% below 64.6% below 45th of 72
Gonorrhea 29.3121 cases 118.5 178.2 75.3% below 83.6% below 25th of 72
Syphilis (P&S) 3.213 cases 9.1 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Wisconsin’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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FAQs

Waukesha County ranks 43rd of 72 Wisconsin counties for combined STD rate in 2023, at 206.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Waukesha County, with 716 cases at a rate of 173.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Waukesha County and Wisconsin. Many offer same-day appointments with results in 1–3 days.
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.