STD Rates in Lenawee County, Michigan

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

Data Year: 2023 Source: CDC STI Surveillance Population: 97,501
Combined
272.8
per 100K
33rd / 83
Chlamydia
204.1
per 100K • 199 cases
US rate: 490.7
42nd of 83 in Michigan
Higher than 30% of US counties
Gonorrhea
64.6
per 100K • 63 cases
US rate: 178.2
22nd of 83 in Michigan
Higher than 50% of US counties
Syphilis P&S
4.1
per 100K • 4 cases
Based on 4 cases — interpret with care
US rate: 15.8

Lenawee County reported a combined STD rate of 272.8 per 100,000 residents in 2023, placing it 33rd of 83 Michigan counties — in the upper half of the state. Reported infections included chlamydia at 204.1 per 100,000 (199 cases, 52% below the state rate), gonorrhea at 64.6 per 100,000 (63 cases, 58% below the state rate), syphilis at 4.1 per 100,000 (4 cases, too few for a reliable comparison). Confidential STD testing is available throughout Lenawee County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Lenawee County, 2000–2023

Reported cases per 100,000 residents each year, against the Michigan 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
204.1
per 100K in 2023
109.0 in 2000
Peak 308.9 in 2017
Gonorrhea
64.6
per 100K in 2023
30.3 in 2000
Peak 113.7 in 2020
Syphilis (P&S)
4.1
per 100K in 2023
0.0 in 2000
Peak 5.1 in 2018

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

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Lenawee County vs Michigan and the US

Infection Lenawee County Michigan US vs Michigan vs US Rank in Michigan
Chlamydia 204.1199 cases 429.5 490.7 52.5% below 58.4% below 42nd of 83
Gonorrhea 64.663 cases 152.2 178.2 57.6% below 63.7% below 22nd of 83
Syphilis (P&S) 4.14 cases 8.4 15.8 Too few cases Too few cases

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Michigan’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

Lenawee County ranks 33rd of 83 Michigan counties for combined STD rate in 2023, at 272.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Lenawee County, with 199 cases at a rate of 204.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Lenawee County and Michigan. 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.