STD Rates in Brookings County, South Dakota

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 35,981
Combined
336.3
per 100K
33rd / 64
Chlamydia
308.5
per 100K • 111 cases
Gonorrhea
22.2
per 100K • 8 cases
Syphilis P&S
5.6
per 100K • 2 cases

Brookings County recorded a combined STD rate of 336.3 per 100,000 residents in 2023, ranking 33rd of 64 counties in South Dakota. Reported infections included chlamydia at 308.5 per 100,000 (111 cases, 42% below the state rate), gonorrhea at 22.2 per 100,000 (8 cases, 91% below the state rate), syphilis at 5.6 per 100,000 (2 cases, 92% below the state rate). Confidential STD testing is available throughout Brookings County — knowing your status is the only way to catch infections that often show no symptoms.

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Brookings County vs South Dakota Average

Infection Brookings County South Dakota Rate Difference
Chlamydia 308.5 531.6 42% below
Gonorrhea 22.2 253.3 91% below
Syphilis (P&S) 5.6 73.4 92% below

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STD testing in Brookings County, South Dakota

Clinics, free and low-cost testing, and labs near Brookings.

STD testing in Brookings, SD23,948 people →

Largest Counties in South Dakota

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

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

FAQs

Brookings County ranks 33rd of 64 South Dakota counties for combined STD rate in 2023, at 336.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Brookings County, with 111 cases at a rate of 308.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Brookings 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