STD Rates in Hamilton County, Iowa

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 14,727
Combined
373.5
per 100K
26th / 99
Chlamydia
346.3
per 100K • 51 cases
Gonorrhea
20.4
per 100K • 3 cases
Syphilis P&S
6.8
per 100K • 1 cases

Hamilton County reported a combined STD rate of 373.5 per 100,000 residents in 2023, placing it 26th of 99 Iowa counties — in the upper half of the state. Reported infections included chlamydia at 346.3 per 100,000 (51 cases, 19% below the state rate), gonorrhea at 20.4 per 100,000 (3 cases, 83% below the state rate), syphilis at 6.8 per 100,000 (1 case, 34% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Hamilton County has confidential testing locations available.

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Hamilton County vs Iowa Average

Infection Hamilton County Iowa Rate Difference
Chlamydia 346.3 426.8 19% below
Gonorrhea 20.4 116.8 83% below
Syphilis (P&S) 6.8 10.3 34% below

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Largest Counties in Iowa

Polk County → Linn County → Scott County → Johnson County → Black Hawk County → Dallas County → Woodbury County → Dubuque County → Story County → Pottawattamie County →

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FAQs

Hamilton County ranks 26th of 99 Iowa counties for combined STD rate in 2023, at 373.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Hamilton County, with 51 cases at a rate of 346.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Hamilton County and Iowa. 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