STD Rates in Delaware County, Iowa
2023 CDC surveillance data for Delaware County, Iowa — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Delaware County reported a combined STD rate of 352.3 per 100,000 residents in 2023, placing it 31st of 99 Iowa counties — in the upper half of the state. Reported infections included chlamydia at 267.0 per 100,000 (47 cases, 37% below the state rate), gonorrhea at 73.9 per 100,000 (13 cases, too few for a reliable comparison), syphilis at 11.4 per 100,000 (2 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 Delaware County.
STD Trends in Delaware County, 2000–2023
Reported cases per 100,000 residents each year, against the Iowa 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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Delaware County vs Iowa and the US
| Infection | Delaware County | Iowa | US | vs Iowa | vs US | Rank in Iowa |
|---|---|---|---|---|---|---|
| Chlamydia | 26747 cases | 426.8 | 490.7 | 37.4% below | 45.6% below | 38th of 99 |
| Gonorrhea | 73.913 cases | 116.8 | 178.2 | Too few cases | Too few cases | – |
| Syphilis (P&S) | 11.42 cases | 10.3 | 15.8 | Too few cases | Too few cases | – |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Iowa’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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