STD Rates in Plymouth County, Iowa

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 25,722
Combined
237.2
per 100K
59th / 99
Chlamydia
221.6
per 100K • 57 cases
Gonorrhea
15.6
per 100K • 4 cases
Syphilis P&S
0.0
No cases reported

Plymouth County recorded a combined STD rate of 237.2 per 100,000 residents in 2023, ranking 59th of 99 counties in Iowa. Reported infections included chlamydia at 221.6 per 100,000 (57 cases, 48% below the state rate), gonorrhea at 15.6 per 100,000 (4 cases, 87% below the state rate). No syphilis cases were reported in Plymouth County in 2023. Routine testing is the surest way to catch STDs early, since many produce no symptoms. Plymouth County has confidential testing locations available.

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Plymouth County vs Iowa Average

Infection Plymouth County Iowa Rate Difference
Chlamydia 221.6 426.8 48% below
Gonorrhea 15.6 116.8 87% below

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STD testing in Plymouth County, Iowa

Clinics, free and low-cost testing, and labs near Le Mars.

STD testing in Le Mars, IA10,640 people →

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 →

All 99 Iowa counties → STD testing in Iowa →

FAQs

Plymouth County ranks 59th of 99 Iowa counties for combined STD rate in 2023, at 237.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Plymouth County, with 57 cases at a rate of 221.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Plymouth 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