STD Rates in Oglala Lakota County, South Dakota

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

Data Year: 2023 Source: CDC STI Surveillance Population: 13,434
Combined
5582.9
per 100K
2nd / 64
Chlamydia
2769.1
per 100K • 372 cases
US rate: 490.7
3rd of 64 in South Dakota
Higher than 99% of US counties
Gonorrhea
1697.2
per 100K • 228 cases
US rate: 178.2
4th of 64 in South Dakota
Higher than 99% of US counties
Syphilis P&S
1116.6
per 100K • 150 cases
US rate: 15.8
1st of 64 in South Dakota
Highest rate of any US county

Oglala Lakota County has one of the higher STD burdens in South Dakota, with a combined rate of 5,582.9 per 100,000 residents in 2023 — ranking 2nd of 64 counties. Reported infections included chlamydia at 2769.1 per 100,000 (372 cases, 421% above the state rate), gonorrhea at 1697.2 per 100,000 (228 cases, 570% above the state rate), syphilis at 1116.6 per 100,000 (150 cases, 1421% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Oglala Lakota County has confidential testing locations available.

STD Trends in Oglala Lakota 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
2,769.1
per 100K in 2023
1,438.8 in 2000
Peak 2,849.6 in 2012
Gonorrhea
1,697.2
per 100K in 2023
294.1 in 2000
Peak 2,537.2 in 2022
Syphilis (P&S)
1,116.6
per 100K in 2023
0.0 in 2000
Peak 1,116.6 in 2023

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

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Oglala Lakota County vs South Dakota and the US

Infection Oglala Lakota County South Dakota US vs South Dakota vs US Rank in South Dakota
Chlamydia 2769.1372 cases 531.6 490.7 420.9% above 464.3% above 3rd of 64
Gonorrhea 1697.2228 cases 253.3 178.2 570% above 852.4% above 4th of 64
Syphilis (P&S) 1116.6150 cases 73.4 15.8 1421.3% above 6967.1% above 1st of 64

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

Oglala Lakota County ranks 2nd of 64 South Dakota counties for combined STD rate in 2023, at 5,582.9 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Oglala Lakota County, with 372 cases at a rate of 2769.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Oglala Lakota 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.