STD Rates in Hamilton County, Ohio

2023 CDC surveillance data for Hamilton County, Ohio — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 827,042
Combined
1092.9
per 100K
3rd / 88
Chlamydia
741.8
per 100K • 6,135 cases
Gonorrhea
325
per 100K • 2,688 cases
Syphilis P&S
26.1
per 100K • 216 cases

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.

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Hamilton County vs Ohio Average

Infection Hamilton County Ohio Rate Difference
Chlamydia 741.8 461.7 61% above
Gonorrhea 325 168 93% above
Syphilis (P&S) 26.1 16.3 60% above

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Largest cities in Hamilton County, Ohio

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Cincinnati, OH311,224 people → STD testing in Forest Park, OH20,025 people → STD testing in White Oak, OH19,216 people → STD testing in Norwood, OH19,114 people → STD testing in Sharonville, OH14,030 people → STD testing in Loveland, OH13,197 people → STD testing in Harrison, OH13,084 people → STD testing in Finneytown, OH12,506 people → STD testing in Monfort Heights, OH12,441 people → STD testing in Mack, OH11,516 people →
Show all 17 cities ↓Show fewer cities ↑
STD testing in Springdale, OH11,033 people → STD testing in Montgomery, OH10,855 people → STD testing in Forestville, OH10,831 people → STD testing in Northbrook, OH10,742 people → STD testing in Reading, OH10,502 people → STD testing in North College Hill, OH9,555 people → STD testing in Madeira, OH9,484 people →

Largest Counties in Ohio

Franklin County → Cuyahoga County → Summit County → Montgomery County → Lucas County → Butler County → Stark County → Lorain County → Warren County → Delaware County →

All 88 Ohio counties → STD testing in Ohio →

FAQs

Hamilton County ranks 3rd of 88 Ohio counties for combined STD rate in 2023, at 1,092.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Hamilton County, with 6,135 cases at a rate of 741.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Hamilton County and Ohio. Many offer same-day appointments with results in 1–3 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
Data sourced from the CDC's annual STI Surveillance Report. Rates are per 100,000 population and reflect reported cases only — actual prevalence is likely higher due to undiagnosed infections. While we strive for accuracy, STDTest.com makes no representations or warranties regarding the completeness or accuracy of this data and is not responsible for any errors or omissions. This page is for informational purposes only and does not constitute medical advice.
Sources