Data Year: 2023Source: CDC STI SurveillancePopulation: 51,645
Combined
358.2
per 100K
19th / 83
Chlamydia
304
per 100K • 157 cases
Gonorrhea
52.3
per 100K • 27 cases
Syphilis P&S
1.9
per 100K • 1 cases
Cass County has one of the higher STD burdens in Michigan, with a combined rate of 358.2 per 100,000 residents in 2023 — ranking 19th of 83 counties. Reported infections included chlamydia at 304.0 per 100,000 (157 cases, 29% below the state rate), gonorrhea at 52.3 per 100,000 (27 cases, 66% below the state rate), syphilis at 1.9 per 100,000 (1 case, 77% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Cass County.
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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.