STD Rates in Lake County, South Dakota
2023 CDC surveillance data for Lake County, South Dakota — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Lake County recorded a combined STD rate of 290.1 per 100,000 residents in 2023, ranking 40th of 64 counties in South Dakota. Reported infections included chlamydia at 253.8 per 100,000 (28 cases, 52% below the state rate), gonorrhea at 36.3 per 100,000 (4 cases, too few for a reliable comparison). No syphilis cases were reported in Lake County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Lake County.
STD Trends in Lake 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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Lake County vs South Dakota and the US
| Infection | Lake County | South Dakota | US | vs South Dakota | vs US | Rank in South Dakota |
|---|---|---|---|---|---|---|
| Chlamydia | 253.828 cases | 531.6 | 490.7 | 52.3% below | 48.3% below | 35th of 64 |
| Gonorrhea | 36.34 cases | 253.3 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 00 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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