STD Rates in St. Clair County, Michigan
2023 CDC surveillance data for St. Clair County, Michigan — chlamydia, gonorrhea, and syphilis rates with state comparisons.
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, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across St. Clair County.
STD Trends in St. Clair 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.
Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.
Know your status — get tested today
Same-day testing at 4,500+ locations. No appointment needed. Results in 1–3 days.
St. Clair County vs Michigan and the US
| Infection | St. Clair County | Michigan | US | vs Michigan | vs US | Rank in Michigan |
|---|---|---|---|---|---|---|
| Chlamydia | 218.3349 cases | 429.5 | 490.7 | 49.2% below | 55.5% below | 34th of 83 |
| Gonorrhea | 51.382 cases | 152.2 | 178.2 | 66.3% below | 71.2% below | 28th of 83 |
| Syphilis (P&S) | 6.310 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.
Find a clinic near you
4,500+ testing locations nationwide. 100% confidential. Most insurance accepted.
