Data Year: 2023Source: CDC STI SurveillancePopulation: 66,996
Combined
267.2
per 100K
35th / 83
Chlamydia
222.4
per 100K • 149 cases
Gonorrhea
41.8
per 100K • 28 cases
Syphilis P&S
3
per 100K • 2 cases
Marquette County reported a combined STD rate of 267.2 per 100,000 residents in 2023, placing it 35th of 83 Michigan counties — in the upper half of the state. Reported infections included chlamydia at 222.4 per 100,000 (149 cases, 48% below the state rate), gonorrhea at 41.8 per 100,000 (28 cases, 73% below the state rate), syphilis at 3.0 per 100,000 (2 cases, 64% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Marquette County has confidential testing locations available.
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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.