STD Rates in Isabella County, Michigan
2023 CDC surveillance data for Isabella County, Michigan — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Isabella County has one of the higher STD burdens in Michigan, with a combined rate of 375.8 per 100,000 residents in 2023 — ranking 18th of 83 counties. Reported infections included chlamydia at 307.2 per 100,000 (197 cases, 28% below the state rate), gonorrhea at 65.5 per 100,000 (42 cases, 57% below the state rate), syphilis at 3.1 per 100,000 (2 cases, too few for a reliable comparison). Confidential STD testing is available throughout Isabella County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Isabella 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.
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Isabella County vs Michigan and the US
| Infection | Isabella County | Michigan | US | vs Michigan | vs US | Rank in Michigan |
|---|---|---|---|---|---|---|
| Chlamydia | 307.2197 cases | 429.5 | 490.7 | 28.5% below | 37.4% below | 16th of 83 |
| Gonorrhea | 65.542 cases | 152.2 | 178.2 | 57% below | 63.2% below | 21st of 83 |
| Syphilis (P&S) | 3.12 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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