STD Rates in Black Hawk County, Iowa
2023 CDC surveillance data for Black Hawk County, Iowa — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Black Hawk County has one of the higher STD burdens in Iowa, with a combined rate of 887.6 per 100,000 residents in 2023 — ranking 1st of 99 counties. Reported infections included chlamydia at 660.7 per 100,000 (862 cases, 55% above the state rate), gonorrhea at 215.4 per 100,000 (281 cases, 84% above the state rate), syphilis at 11.5 per 100,000 (15 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 Black Hawk County.
STD Trends in Black Hawk 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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Black Hawk County vs Iowa and the US
| Infection | Black Hawk County | Iowa | US | vs Iowa | vs US | Rank in Iowa |
|---|---|---|---|---|---|---|
| Chlamydia | 660.7862 cases | 426.8 | 490.7 | 54.8% above | 34.6% above | 2nd of 99 |
| Gonorrhea | 215.4281 cases | 116.8 | 178.2 | 84.4% above | 20.9% above | 3rd of 99 |
| Syphilis (P&S) | 11.515 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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