STD Rates in Brown County, South Dakota

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 37,730
Combined
368.4
per 100K
29th / 64
Chlamydia
326
per 100K • 123 cases
Gonorrhea
37.1
per 100K • 14 cases
Syphilis P&S
5.3
per 100K • 2 cases

Brown County reported a combined STD rate of 368.4 per 100,000 residents in 2023, placing it 29th of 64 South Dakota counties — in the upper half of the state. Reported infections included chlamydia at 326.0 per 100,000 (123 cases, 39% below the state rate), gonorrhea at 37.1 per 100,000 (14 cases, 85% below the state rate), syphilis at 5.3 per 100,000 (2 cases, 93% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Brown County has confidential testing locations available.

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Brown County County vs South Dakota Average

Infection Brown County County South Dakota Rate Difference
Chlamydia 326 531.6 39% below
Gonorrhea 37.1 253.3 85% below
Syphilis (P&S) 5.3 73.4 93% below

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Other Counties in South Dakota

STD Testing Locations in Brown County, South Dakota

FAQs

Brown County ranks 29th of 64 South Dakota counties for combined STD rate in 2023, at 368.4 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Brown County, with 123 cases at a rate of 326.0 per 100,000 residents.
STDTest.com lists confidential testing locations across Brown County and South Dakota. 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