STD Rates in St. Joseph County, Michigan
2023 CDC surveillance data for St. Joseph County, Michigan — chlamydia, gonorrhea, and syphilis rates with state comparisons.
St. Joseph County has one of the higher STD burdens in Michigan, with a combined rate of 437.0 per 100,000 residents in 2023 — ranking 13th of 83 counties. Reported infections included chlamydia at 361.4 per 100,000 (220 cases, 16% below the state rate), gonorrhea at 72.3 per 100,000 (44 cases, 52% below the state rate), syphilis at 3.3 per 100,000 (2 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. Joseph County.
STD Trends in St. Joseph 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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St. Joseph County vs Michigan and the US
| Infection | St. Joseph County | Michigan | US | vs Michigan | vs US | Rank in Michigan |
|---|---|---|---|---|---|---|
| Chlamydia | 361.4220 cases | 429.5 | 490.7 | 15.9% below | 26.4% below | 12th of 83 |
| Gonorrhea | 72.344 cases | 152.2 | 178.2 | 52.5% below | 59.4% below | 18th of 83 |
| Syphilis (P&S) | 3.32 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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