STD Rates in Marshall County, South Dakota

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 4,391
Combined
113.9
per 100K
58th / 64
Chlamydia
91.1
per 100K • 4 cases
Gonorrhea
0.0
No cases reported
Syphilis P&S
22.8
per 100K • 1 cases

Marshall County is among the lower-burden counties in South Dakota, reporting a combined STD rate of 113.9 per 100,000 residents in 2023 — 58th of 64 counties. Reported infections included chlamydia at 91.1 per 100,000 (4 cases, 83% below the state rate), syphilis at 22.8 per 100,000 (1 case, 69% below the state rate). No gonorrhea cases were reported in Marshall County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Marshall County.

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Marshall County vs South Dakota Average

Infection Marshall County South Dakota Rate Difference
Chlamydia 91.1 531.6 83% below
Syphilis (P&S) 22.8 73.4 69% below

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Largest Counties in South Dakota

Minnehaha County → Pennington County → Lincoln County → Brown County → Brookings County → Meade County → Codington County → Lawrence County → Yankton County → Davison County →

All 64 South Dakota counties → STD testing in South Dakota →

FAQs

Marshall County ranks 58th of 64 South Dakota counties for combined STD rate in 2023, at 113.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Marshall County, with 4 cases at a rate of 91.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Marshall County and South Dakota. Many offer same-day appointments with results in 1–3 days.

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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