STD Rates in Dane County, Wisconsin

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

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
US rate: 490.7
6th of 72 in Wisconsin
Higher than 72% of US counties
Gonorrhea
118
per 100K • 679 cases
US rate: 178.2
5th of 72 in Wisconsin
Higher than 70% of US counties
Syphilis P&S
5.7
per 100K • 33 cases
US rate: 15.8
18th of 72 in Wisconsin
Higher than 45% of US counties

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.

STD Trends in Dane 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
433.7
per 100K in 2023
0.0 in 2000
Peak 546.9 in 2019
Gonorrhea
118.0
per 100K in 2023
0.0 in 2000
Peak 216.2 in 2020
Syphilis (P&S)
5.7
per 100K in 2023
0.5 in 2000
Peak 9.0 in 2022

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

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Dane County vs Wisconsin and the US

Infection Dane County Wisconsin US vs Wisconsin vs US Rank in Wisconsin
Chlamydia 433.72,495 cases 422.8 490.7 2.6% above 11.6% below 6th of 72
Gonorrhea 118679 cases 118.5 178.2 0.4% below 33.8% below 5th of 72
Syphilis (P&S) 5.733 cases 9.1 15.8 37.4% below 63.9% below 18th of 72

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

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.
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.