STD Rates in Lake County, South Dakota

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 11,032
Combined
290.1
per 100K
40th / 64
Chlamydia
253.8
per 100K • 28 cases
Gonorrhea
36.3
per 100K • 4 cases
Syphilis P&S
0.0
No cases reported

Lake County recorded a combined STD rate of 290.1 per 100,000 residents in 2023, ranking 40th of 64 counties in South Dakota. Reported infections included chlamydia at 253.8 per 100,000 (28 cases, 52% below the state rate), gonorrhea at 36.3 per 100,000 (4 cases, 86% below the state rate). No syphilis cases were reported in Lake County in 2023. Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Lake County.

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Lake County vs South Dakota Average

Infection Lake County South Dakota Rate Difference
Chlamydia 253.8 531.6 52% below
Gonorrhea 36.3 253.3 86% 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

Lake County ranks 40th of 64 South Dakota counties for combined STD rate in 2023, at 290.1 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Lake County, with 28 cases at a rate of 253.8 per 100,000 residents.
STDTest.com lists confidential testing locations across Lake 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