STD Rates in Mellette County, South Dakota

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 1,851
Combined
2377.1
per 100K
8th / 64
Chlamydia
1242.6
per 100K • 23 cases
Gonorrhea
972.4
per 100K • 18 cases
Syphilis P&S
162.1
per 100K • 3 cases

Mellette County has one of the higher STD burdens in South Dakota, with a combined rate of 2,377.1 per 100,000 residents in 2023 — ranking 8th of 64 counties. Reported infections included chlamydia at 1242.6 per 100,000 (23 cases, 134% above the state rate), gonorrhea at 972.4 per 100,000 (18 cases, 284% above the state rate), syphilis at 162.1 per 100,000 (3 cases, 121% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Mellette County has confidential testing locations available.

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Mellette County vs South Dakota Average

Infection Mellette County South Dakota Rate Difference
Chlamydia 1242.6 531.6 134% above
Gonorrhea 972.4 253.3 284% above
Syphilis (P&S) 162.1 73.4 121% above

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STD testing in Mellette County, South Dakota

Clinics, free and low-cost testing, and labs near White River.

STD testing in White River, SD606 people →

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FAQs

Mellette County ranks 8th of 64 South Dakota counties for combined STD rate in 2023, at 2,377.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Mellette County, with 23 cases at a rate of 1242.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Mellette County and South Dakota. Many offer same-day appointments with results in 1–3 days.

Related Resources

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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