STD Rates in Marshall County, Iowa

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 40,017
Combined
629.8
per 100K
12th / 99
Chlamydia
482.3
per 100K • 193 cases
Gonorrhea
120
per 100K • 48 cases
Syphilis P&S
27.5
per 100K • 11 cases

Marshall County has one of the higher STD burdens in Iowa, with a combined rate of 629.8 per 100,000 residents in 2023 — ranking 12th of 99 counties. Reported infections included chlamydia at 482.3 per 100,000 (193 cases, 13% above the state rate), gonorrhea at 120.0 per 100,000 (48 cases, 3% above the state rate), syphilis at 27.5 per 100,000 (11 cases, 167% above the state rate). Confidential STD testing is available throughout Marshall County — knowing your status is the only way to catch infections that often show no symptoms.

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Marshall County County vs Iowa Average

Infection Marshall County County Iowa Rate Difference
Chlamydia 482.3 426.8 13% above
Gonorrhea 120 116.8 3% above
Syphilis (P&S) 27.5 10.3 167% above

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Other Counties in Iowa

Adair County → Adams County → Allamakee County → Appanoose County → Audubon County → Benton County → Black Hawk County → Boone County → Bremer County → Buchanan County → Buena Vista County → Butler County → Calhoun County → Carroll County → Cass County → Cedar County → Cerro Gordo County → Cherokee County → Chickasaw County → Clarke County → Clay County → Clayton County → Clinton County → Crawford County → Dallas County → Davis County → Decatur County → Delaware County → Des Moines County → Dickinson County → Dubuque County → Emmet County → Fayette County → Floyd County → Franklin County → Fremont County → Greene County → Grundy County → Guthrie County → Hamilton County → Hancock County → Hardin County → Harrison County → Henry County → Howard County → Humboldt County → Ida County → Iowa County → Jackson County → Jasper County → Jefferson County → Johnson County → Jones County → Keokuk County → Kossuth County → Lee County → Linn County → Louisa County → Lucas County → Lyon County → Madison County → Mahaska County → Marion County → Mills County → Mitchell County → Monona County → Monroe County → Montgomery County → Muscatine County → O'brien County → Osceola County → Page County → Palo Alto County → Plymouth County → Pocahontas County → Polk County → Pottawattamie County → Poweshiek County → Ringgold County → Sac County → Scott County → Shelby County → Sioux County → Story County → Tama County → Taylor County → Union County → Van Buren County → Wapello County → Warren County → Washington County → Wayne County → Webster County → Winnebago County → Winneshiek County → Woodbury County → Worth County → Wright County →

STD Testing Locations in Marshall County, Iowa

FAQs

Marshall County ranks 12th of 99 Iowa counties for combined STD rate in 2023, at 629.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Marshall County, with 193 cases at a rate of 482.3 per 100,000 residents.
STDTest.com lists confidential testing locations across Marshall County and Iowa. Many offer same-day appointments with results in 1u20133 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