STD Rates in Madison County, Idaho

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 54,523
Combined
99
per 100K
42nd / 43
Chlamydia
80.7
per 100K • 44 cases
Gonorrhea
16.5
per 100K • 9 cases
Syphilis P&S
1.8
per 100K • 1 cases

Madison County is among the lower-burden counties in Idaho, reporting a combined STD rate of 99.0 per 100,000 residents in 2023 — 42nd of 43 counties. Reported infections included chlamydia at 80.7 per 100,000 (44 cases, 73% below the state rate), gonorrhea at 16.5 per 100,000 (9 cases, 58% below the state rate), syphilis at 1.8 per 100,000 (1 case, 53% below the state rate). Confidential STD testing is available throughout Madison County — knowing your status is the only way to catch infections that often show no symptoms.

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Madison County vs Idaho Average

Infection Madison County Idaho Rate Difference
Chlamydia 80.7 294.9 73% below
Gonorrhea 16.5 39.6 58% below
Syphilis (P&S) 1.8 3.8 53% below

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STD testing in Madison County, Idaho

Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Rexburg, ID40,543 people → STD testing in Thornton, ID →

Largest Counties in Idaho

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

All 43 Idaho counties → STD testing in Idaho →

FAQs

Madison County ranks 42nd of 43 Idaho counties for combined STD rate in 2023, at 99.0 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Madison County, with 44 cases at a rate of 80.7 per 100,000 residents.
STDTest.com lists confidential testing locations across Madison 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