STD Rates in St. Clair County, Michigan

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 159,872
Combined
275.9
per 100K
31st / 83
Chlamydia
218.3
per 100K • 349 cases
Gonorrhea
51.3
per 100K • 82 cases
Syphilis P&S
6.3
per 100K • 10 cases

St. Clair County reported a combined STD rate of 275.9 per 100,000 residents in 2023, placing it 31st of 83 Michigan counties — in the upper half of the state. Reported infections included chlamydia at 218.3 per 100,000 (349 cases, 49% below the state rate), gonorrhea at 51.3 per 100,000 (82 cases, 66% below the state rate), syphilis at 6.3 per 100,000 (10 cases, 25% 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 St. Clair County.

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St. Clair County County vs Michigan Average

Infection St. Clair County County Michigan Rate Difference
Chlamydia 218.3 429.5 49% below
Gonorrhea 51.3 152.2 66% below
Syphilis (P&S) 6.3 8.4 25% below

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Other Counties in Michigan

Alcona County → Alger County → Allegan County → Alpena County → Antrim County → Arenac County → Baraga County → Barry County → Bay County → Benzie County → Berrien County → Branch County → Calhoun County → Cass County → Charlevoix County → Cheboygan County → Chippewa County → Clare County → Clinton County → Crawford County → Delta County → Dickinson County → Eaton County → Emmet County → Genesee County → Gladwin County → Gogebic County → Grand Traverse County → Gratiot County → Hillsdale County → Houghton County → Huron County → Ingham County → Ionia County → Iosco County → Iron County → Isabella County → Jackson County → Kalamazoo County → Kalkaska County → Kent County → Keweenaw County → Lake County → Lapeer County → Leelanau County → Lenawee County → Livingston County → Luce County → Mackinac County → Macomb County → Manistee County → Marquette County → Mason County → Mecosta County → Menominee County → Midland County → Missaukee County → Monroe County → Montcalm County → Montmorency County → Muskegon County → Newaygo County → Oakland County → Oceana County → Ogemaw County → Ontonagon County → Osceola County → Oscoda County → Otsego County → Ottawa County → Presque Isle County → Roscommon County → Saginaw County → Sanilac County → Schoolcraft County → Shiawassee County → St. Joseph County → Tuscola County → Van Buren County → Washtenaw County → Wayne County → Wexford County →

STD Testing Locations in St. Clair County, Michigan

FAQs

St. Clair County ranks 31st of 83 Michigan counties for combined STD rate in 2023, at 275.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in St. Clair County, with 349 cases at a rate of 218.3 per 100,000 residents.
STDTest.com lists confidential testing locations across St. Clair County and Michigan. Many offer same-day appointments with results in 1u20133 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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.
Sources