STD Rates in Dallas County, Missouri
2023 CDC surveillance data for Dallas County, Missouri — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Dallas County reported a combined STD rate of 320.8 per 100,000 residents in 2023, placing it 52nd of 115 Missouri counties — in the upper half of the state. Reported infections included chlamydia at 275.8 per 100,000 (49 cases, 45% below the state rate), gonorrhea at 28.1 per 100,000 (5 cases, too few for a reliable comparison), syphilis at 16.9 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 Dallas County.
STD Trends in Dallas County, 2000–2023
Reported cases per 100,000 residents each year, against the Missouri 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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Dallas County vs Missouri and the US
| Infection | Dallas County | Missouri | US | vs Missouri | vs US | Rank in Missouri |
|---|---|---|---|---|---|---|
| Chlamydia | 275.849 cases | 498.6 | 490.7 | 44.7% below | 43.8% below | 46th of 115 |
| Gonorrhea | 28.15 cases | 201.9 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 16.93 cases | 21.5 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Missouri’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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