STD Rates in Clay County, South Dakota
2023 CDC surveillance data for Clay County, South Dakota — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Clay County reported a combined STD rate of 576.7 per 100,000 residents in 2023, placing it 21st of 64 South Dakota counties — in the upper half of the state. Reported infections included chlamydia at 460.1 per 100,000 (71 cases, 13% below the state rate), gonorrhea at 90.7 per 100,000 (14 cases, too few for a reliable comparison), syphilis at 25.9 per 100,000 (4 cases, too few for a reliable comparison). Confidential STD testing is available throughout Clay County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Clay County, 2000–2023
Reported cases per 100,000 residents each year, against the South Dakota 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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Clay County vs South Dakota and the US
| Infection | Clay County | South Dakota | US | vs South Dakota | vs US | Rank in South Dakota |
|---|---|---|---|---|---|---|
| Chlamydia | 460.171 cases | 531.6 | 490.7 | 13.4% below | 6.2% below | 17th of 64 |
| Gonorrhea | 90.714 cases | 253.3 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 25.94 cases | 73.4 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among South Dakota’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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