STD Rates in Jersey County, Illinois

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 21,092
Combined
227.5
per 100K
79th / 102
Chlamydia
184.9
per 100K • 39 cases
Gonorrhea
37.9
per 100K • 8 cases
Syphilis P&S
4.7
per 100K • 1 cases

Jersey County is among the lower-burden counties in Illinois, reporting a combined STD rate of 227.5 per 100,000 residents in 2023 — 79th of 102 counties. Reported infections included chlamydia at 184.9 per 100,000 (39 cases, 67% below the state rate), gonorrhea at 37.9 per 100,000 (8 cases, 81% below the state rate), syphilis at 4.7 per 100,000 (1 case, 59% below the state rate). Many STDs show no symptoms, so testing is the only reliable way to know your status. Confidential options are available across Jersey County.

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Jersey County vs Illinois Average

Infection Jersey County Illinois Rate Difference
Chlamydia 184.9 557.7 67% below
Gonorrhea 37.9 202.3 81% below
Syphilis (P&S) 4.7 11.6 59% below

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STD testing in Jersey County, Illinois

Clinics, free and low-cost testing, and labs near Jerseyville.

STD testing in Jerseyville, IL7,445 people →

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FAQs

Jersey County ranks 79th of 102 Illinois counties for combined STD rate in 2023, at 227.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Jersey County, with 39 cases at a rate of 184.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Jersey County and Illinois. Many offer same-day appointments with results in 1–3 days.

Related Resources

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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