STD Rates in Sioux County, North Dakota
2023 CDC surveillance data for Sioux County, North Dakota — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Sioux County has one of the higher STD burdens in North Dakota, with a combined rate of 3,705.6 per 100,000 residents in 2023 — ranking 1st of 51 counties. Reported infections included chlamydia at 1894.0 per 100,000 (69 cases, 334% above the state rate), gonorrhea at 1290.1 per 100,000 (47 cases, 776% above the state rate), syphilis at 521.5 per 100,000 (19 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 Sioux County.
STD Trends in Sioux County, 2000–2023
Reported cases per 100,000 residents each year, against the North 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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Sioux County vs North Dakota and the US
| Infection | Sioux County | North Dakota | US | vs North Dakota | vs US | Rank in North Dakota |
|---|---|---|---|---|---|---|
| Chlamydia | 189469 cases | 436.4 | 490.7 | 334% above | 286% above | 1st of 51 |
| Gonorrhea | 1290.147 cases | 147.2 | 178.2 | 776.4% above | 624% above | 1st of 51 |
| Syphilis (P&S) | 521.519 cases | 12.4 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among North 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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