STD Rates in Brule County, South Dakota

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

Data Year: 2023 Source: CDC STI Surveillance Population: 5,311
Combined
847.3
per 100K
16th / 64
Chlamydia
376.6
per 100K • 20 cases
US rate: 490.7
21st of 64 in South Dakota
Higher than 66% of US counties
Gonorrhea
376.6
per 100K • 20 cases
US rate: 178.2
14th of 64 in South Dakota
Higher than 95% of US counties
Syphilis P&S
94.1
per 100K • 5 cases
Based on 5 cases — interpret with care
US rate: 15.8

Brule County has one of the higher STD burdens in South Dakota, with a combined rate of 847.3 per 100,000 residents in 2023 — ranking 16th of 64 counties. Reported infections included chlamydia at 376.6 per 100,000 (20 cases, 29% below the state rate), gonorrhea at 376.6 per 100,000 (20 cases, 49% above the state rate), syphilis at 94.1 per 100,000 (5 cases, too few for a reliable comparison). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Brule County.

STD Trends in Brule County, 2000–2023

Reported cases per 100,000 residents each year, against the South Dakota rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
376.6
per 100K in 2023
337.8 in 2000
Peak 563.8 in 2022
Gonorrhea
376.6
per 100K in 2023
0.0 in 2000
Peak 610.5 in 2021
Syphilis (P&S)
94.1
per 100K in 2023
0.0 in 2000
Peak 94.1 in 2023

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Brule County vs South Dakota and the US

Infection Brule County South Dakota US vs South Dakota vs US Rank in South Dakota
Chlamydia 376.620 cases 531.6 490.7 29.2% below 23.3% below 21st of 64
Gonorrhea 376.620 cases 253.3 178.2 48.7% above 111.3% above 14th of 64
Syphilis (P&S) 94.15 cases 73.4 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among South Dakota’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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FAQs

Brule County ranks 16th of 64 South Dakota counties for combined STD rate in 2023, at 847.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Brule County, with 20 cases at a rate of 376.6 per 100,000 residents.
STDTest.com lists confidential testing locations across Brule County and South Dakota. Many offer same-day appointments with results in 1–3 days.
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.