STD Rates in Roberts County, South Dakota

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

Data Year: 2023 Source: CDC STI Surveillance Population: 10,206
Combined
715.3
per 100K
18th / 64
Chlamydia
578.1
per 100K • 59 cases
US rate: 490.7
15th of 64 in South Dakota
Higher than 84% of US counties
Gonorrhea
107.8
per 100K • 11 cases
Based on 11 cases — interpret with care
US rate: 178.2
Syphilis P&S
29.4
per 100K • 3 cases
Based on 3 cases — interpret with care
US rate: 15.8

Roberts County reported a combined STD rate of 715.3 per 100,000 residents in 2023, placing it 18th of 64 South Dakota counties — in the upper half of the state. Reported infections included chlamydia at 578.1 per 100,000 (59 cases, 9% above the state rate), gonorrhea at 107.8 per 100,000 (11 cases, too few for a reliable comparison), syphilis at 29.4 per 100,000 (3 cases, too few for a reliable comparison). Confidential STD testing is available throughout Roberts County — knowing your status is the only way to catch infections that often show no symptoms.

STD Trends in Roberts 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
578.1
per 100K in 2023
409.8 in 2000
Peak 1,250.2 in 2013
Gonorrhea
107.8
per 100K in 2023
10.0 in 2000
Peak 544.7 in 2020
Syphilis (P&S)
29.4
per 100K in 2023
0.0 in 2000
Peak 29.5 in 2022

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

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Roberts County vs South Dakota and the US

Infection Roberts County South Dakota US vs South Dakota vs US Rank in South Dakota
Chlamydia 578.159 cases 531.6 490.7 8.7% above 17.8% above 15th of 64
Gonorrhea 107.811 cases 253.3 178.2 Too few cases Too few cases –
Syphilis (P&S) 29.43 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

Roberts County ranks 18th of 64 South Dakota counties for combined STD rate in 2023, at 715.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Roberts County, with 59 cases at a rate of 578.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Roberts 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.