STD Rates in Walworth County, South Dakota
2023 CDC surveillance data for Walworth County, South Dakota — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Walworth County reported a combined STD rate of 645.3 per 100,000 residents in 2023, placing it 19th of 64 South Dakota counties — in the upper half of the state. Reported infections included chlamydia at 379.6 per 100,000 (20 cases, 29% below the state rate), gonorrhea at 208.8 per 100,000 (11 cases, too few for a reliable comparison), syphilis at 56.9 per 100,000 (3 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 Walworth County.
STD Trends in Walworth 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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Walworth County vs South Dakota and the US
| Infection | Walworth County | South Dakota | US | vs South Dakota | vs US | Rank in South Dakota |
|---|---|---|---|---|---|---|
| Chlamydia | 379.620 cases | 531.6 | 490.7 | 28.6% below | 22.6% below | 20th of 64 |
| Gonorrhea | 208.811 cases | 253.3 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 56.93 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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