STD Rates in Polk County, Missouri
2023 CDC surveillance data for Polk County, Missouri — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Polk County reported a combined STD rate of 326.4 per 100,000 residents in 2023, placing it 50th of 115 Missouri counties — in the upper half of the state. Reported infections included chlamydia at 222.7 per 100,000 (73 cases, 55% below the state rate), gonorrhea at 73.2 per 100,000 (24 cases, 64% below the state rate), syphilis at 30.5 per 100,000 (10 cases, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Polk County has confidential testing locations available.
STD Trends in Polk 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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Polk County vs Missouri and the US
| Infection | Polk County | Missouri | US | vs Missouri | vs US | Rank in Missouri |
|---|---|---|---|---|---|---|
| Chlamydia | 222.773 cases | 498.6 | 490.7 | 55.3% below | 54.6% below | 58th of 115 |
| Gonorrhea | 73.224 cases | 201.9 | 178.2 | 63.7% below | 58.9% below | 40th of 115 |
| Syphilis (P&S) | 30.510 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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