STD Rates in Riley County, Kansas
2023 CDC surveillance data for Riley County, Kansas — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Riley County has one of the higher STD burdens in Kansas, with a combined rate of 647.0 per 100,000 residents in 2023 — ranking 8th of 103 counties. Reported infections included chlamydia at 571.4 per 100,000 (408 cases, 26% above the state rate), gonorrhea at 70.0 per 100,000 (50 cases, 51% below the state rate), syphilis at 5.6 per 100,000 (4 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Riley County has confidential testing locations available.
STD Trends in Riley County, 2000–2023
Reported cases per 100,000 residents each year, against the Kansas 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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Riley County vs Kansas and the US
| Infection | Riley County | Kansas | US | vs Kansas | vs US | Rank in Kansas |
|---|---|---|---|---|---|---|
| Chlamydia | 571.4408 cases | 453.8 | 490.7 | 25.9% above | 16.4% above | 7th of 103 |
| Gonorrhea | 7050 cases | 144 | 178.2 | 51.4% below | 60.7% below | 27th of 103 |
| Syphilis (P&S) | 5.64 cases | 13.5 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Kansas’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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