STD Rates in Fremont County, Wyoming

2023 CDC surveillance data for Fremont County, Wyoming — chlamydia, gonorrhea, and syphilis rates with state comparisons.

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Data Year: 2023 Source: CDC STI Surveillance Population: 39,812
Combined
665.6
per 100K
1st / 22
Chlamydia
509.9
per 100K • 203 cases
Gonorrhea
150.7
per 100K • 60 cases
Syphilis P&S
5
per 100K • 2 cases

Fremont County has one of the higher STD burdens in Wyoming, with a combined rate of 665.6 per 100,000 residents in 2023 — ranking 1st of 22 counties. Reported infections included chlamydia at 509.9 per 100,000 (203 cases, 63% above the state rate), gonorrhea at 150.7 per 100,000 (60 cases, 256% above the state rate), syphilis at 5.0 per 100,000 (2 cases, 127% above the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Fremont County.

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Fremont County vs Wyoming Average

Infection Fremont County Wyoming Rate Difference
Chlamydia 509.9 313.2 63% above
Gonorrhea 150.7 42.3 256% above
Syphilis (P&S) 5 2.2 127% above

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Largest cities in Fremont County, Wyoming

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Riverton, WY10,856 people → STD testing in Arapahoe, WY1,240 people → STD testing in Fort Washakie, WY1,219 people →

Largest Counties in Wyoming

Laramie County → Natrona County → Campbell County → Sweetwater County → Albany County → Sheridan County → Park County → Teton County → Lincoln County → Uinta County →

All 22 Wyoming counties → STD testing in Wyoming →

FAQs

Fremont County ranks 1st of 22 Wyoming counties for combined STD rate in 2023, at 665.6 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Fremont County, with 203 cases at a rate of 509.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Fremont County and Wyoming. 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