STD Rates in Twin Falls County, Idaho

2023 CDC surveillance data for Twin Falls County, Idaho — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 95,164
Combined
428.8
per 100K
5th / 43
Chlamydia
386.7
per 100K • 368 cases
Gonorrhea
38.9
per 100K • 37 cases
Syphilis P&S
3.2
per 100K • 3 cases

Twin Falls County has one of the higher STD burdens in Idaho, with a combined rate of 428.8 per 100,000 residents in 2023 — ranking 5th of 43 counties. Reported infections included chlamydia at 386.7 per 100,000 (368 cases, 31% above the state rate), gonorrhea at 38.9 per 100,000 (37 cases, 2% below the state rate), syphilis at 3.2 per 100,000 (3 cases, 16% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Twin Falls County has confidential testing locations available.

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Twin Falls County vs Idaho Average

Infection Twin Falls County Idaho Rate Difference
Chlamydia 386.7 294.9 31% above
Gonorrhea 38.9 39.6 2% below
Syphilis (P&S) 3.2 3.8 16% below

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STD testing in Twin Falls County, Idaho

Clinics, free and low-cost testing, and labs near Twin Falls.

STD testing in Twin Falls, ID54,164 people →

Largest Counties in Idaho

Ada County → Canyon County → Kootenai County → Bonneville County → Bannock County → Madison County → Bonner County → Bingham County → Nez Perce County → Latah County →

All 43 Idaho counties → STD testing in Idaho →

FAQs

Twin Falls County ranks 5th of 43 Idaho counties for combined STD rate in 2023, at 428.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Twin Falls County, with 368 cases at a rate of 386.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Twin Falls County and Idaho. Many offer same-day appointments with results in 1–3 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