STD Rates in Grant County, South Dakota
2023 CDC surveillance data for Grant County, South Dakota — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Grant County is among the lower-burden counties in South Dakota, reporting a combined STD rate of 92.6 per 100,000 residents in 2023 — 60th of 64 counties. Reported infections included chlamydia at 79.4 per 100,000 (6 cases, too few for a reliable comparison), gonorrhea at 13.2 per 100,000 (1 case, too few for a reliable comparison). No syphilis cases were reported in Grant County in 2023. Confidential STD testing is available throughout Grant County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Grant 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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Grant County vs South Dakota and the US
| Infection | Grant County | South Dakota | US | vs South Dakota | vs US | Rank in South Dakota |
|---|---|---|---|---|---|---|
| Chlamydia | 79.46 cases | 531.6 | 490.7 | Too few cases | Too few cases | – |
| Gonorrhea | 13.21 case | 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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