STD Rates in Knox County, Indiana
2023 CDC surveillance data for Knox County, Indiana — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Knox County reported a combined STD rate of 401.9 per 100,000 residents in 2023, placing it 26th of 92 Indiana counties — in the upper half of the state. Reported infections included chlamydia at 307.7 per 100,000 (111 cases, 37% below the state rate), gonorrhea at 88.7 per 100,000 (32 cases, 38% below the state rate), syphilis at 5.5 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. Knox County has confidential testing locations available.
STD Trends in Knox 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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Knox County vs Indiana and the US
| Infection | Knox County | Indiana | US | vs Indiana | vs US | Rank in Indiana |
|---|---|---|---|---|---|---|
| Chlamydia | 307.7111 cases | 491 | 490.7 | 37.3% below | 37.3% below | 33rd of 92 |
| Gonorrhea | 88.732 cases | 144 | 178.2 | 38.4% below | 50.2% below | 18th of 92 |
| Syphilis (P&S) | 5.52 cases | 8.7 | 15.8 | Too few cases | Too few cases | – |
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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