STD Rates in Hamilton County, Ohio
2023 CDC surveillance data for Hamilton County, Ohio — chlamydia, gonorrhea, and syphilis rates with state comparisons.
Hamilton County has one of the higher STD burdens in Ohio, with a combined rate of 1,092.9 per 100,000 residents in 2023 — ranking 3rd of 88 counties. Reported infections included chlamydia at 741.8 per 100,000 (6,135 cases, 61% above the state rate), gonorrhea at 325.0 per 100,000 (2,688 cases, 93% above the state rate), syphilis at 26.1 per 100,000 (216 cases, 60% above the state rate). Confidential STD testing is available throughout Hamilton County — knowing your status is the only way to catch infections that often show no symptoms.
STD Trends in Hamilton County, 2000–2023
Reported cases per 100,000 residents each year, against the Ohio 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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Hamilton County vs Ohio and the US
| Infection | Hamilton County | Ohio | US | vs Ohio | vs US | Rank in Ohio |
|---|---|---|---|---|---|---|
| Chlamydia | 741.86,135 cases | 461.7 | 490.7 | 60.7% above | 51.2% above | 3rd of 88 |
| Gonorrhea | 3252,688 cases | 168 | 178.2 | 93.5% above | 82.4% above | 2nd of 88 |
| Syphilis (P&S) | 26.1216 cases | 16.3 | 15.8 | 60.1% above | 65.2% above | 3rd of 88 |
Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Ohio’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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