STD Rates in St. Joseph County, Indiana
2023 CDC surveillance data for St. Joseph County, Indiana — chlamydia, gonorrhea, and syphilis rates with state comparisons.
St. Joseph County has one of the higher STD burdens in Indiana, with a combined rate of 748.4 per 100,000 residents in 2023 — ranking 5th of 92 counties. Reported infections included chlamydia at 606.2 per 100,000 (1,654 cases, 23% above the state rate), gonorrhea at 134.5 per 100,000 (367 cases, 7% below the state rate), syphilis at 7.7 per 100,000 (21 cases, 11% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. St. Joseph County has confidential testing locations available.
STD Trends in St. Joseph County, 2000–2023
Reported cases per 100,000 residents each year, against the Indiana 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 Indiana and the US
| Infection | St. Joseph County | Indiana | US | vs Indiana | vs US | Rank in Indiana |
|---|---|---|---|---|---|---|
| Chlamydia | 606.21,654 cases | 491 | 490.7 | 23.5% above | 23.5% above | 4th of 92 |
| Gonorrhea | 134.5367 cases | 144 | 178.2 | 6.6% below | 24.5% below | 13th of 92 |
| Syphilis (P&S) | 7.721 cases | 8.7 | 15.8 | 11.5% below | 51.3% below | 18th of 92 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Indiana’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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