STD Rates in Allegan County, Michigan
2023 CDC surveillance data for Allegan County, Michigan — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Allegan County reported a combined STD rate of 273.0 per 100,000 residents in 2023, placing it 32nd of 83 Michigan counties — in the upper half of the state. Reported infections included chlamydia at 205.8 per 100,000 (251 cases, 52% below the state rate), gonorrhea at 65.6 per 100,000 (80 cases, 57% below the state rate), syphilis at 1.6 per 100,000 (2 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Allegan County has confidential testing locations available.
STD Trends in Allegan 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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Allegan County vs Michigan and the US
| Infection | Allegan County | Michigan | US | vs Michigan | vs US | Rank in Michigan |
|---|---|---|---|---|---|---|
| Chlamydia | 205.8251 cases | 429.5 | 490.7 | 52.1% below | 58.1% below | 40th of 83 |
| Gonorrhea | 65.680 cases | 152.2 | 178.2 | 56.9% below | 63.2% below | 20th of 83 |
| Syphilis (P&S) | 1.62 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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