STD Rates in Marion County, Missouri
2023 CDC surveillance data for Marion County, Missouri — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Marion County has one of the higher STD burdens in Missouri, with a combined rate of 532.9 per 100,000 residents in 2023 — ranking 19th of 115 counties. Reported infections included chlamydia at 409.4 per 100,000 (116 cases, 18% below the state rate), gonorrhea at 123.5 per 100,000 (35 cases, 39% below the state rate). No syphilis cases were reported in Marion County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Marion County.
STD Trends in Marion 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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Marion County vs Missouri and the US
| Infection | Marion County | Missouri | US | vs Missouri | vs US | Rank in Missouri |
|---|---|---|---|---|---|---|
| Chlamydia | 409.4116 cases | 498.6 | 490.7 | 17.9% below | 16.6% below | 20th of 115 |
| Gonorrhea | 123.535 cases | 201.9 | 178.2 | 38.8% below | 30.7% below | 19th of 115 |
| Syphilis (P&S) | 00 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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