STD Rates in Clinton County, Illinois

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 36,793
Combined
228.3
per 100K
78th / 102
Chlamydia
182.1
per 100K • 67 cases
Gonorrhea
46.2
per 100K • 17 cases
Syphilis P&S
0.0
No cases reported

Clinton County is among the lower-burden counties in Illinois, reporting a combined STD rate of 228.3 per 100,000 residents in 2023 — 78th of 102 counties. Reported infections included chlamydia at 182.1 per 100,000 (67 cases, 67% below the state rate), gonorrhea at 46.2 per 100,000 (17 cases, 77% below the state rate). No syphilis cases were reported in Clinton County in 2023. Confidential STD testing is available throughout Clinton County — knowing your status is the only way to catch infections that often show no symptoms.

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Clinton County vs Illinois Average

Infection Clinton County Illinois Rate Difference
Chlamydia 182.1 557.7 67% below
Gonorrhea 46.2 202.3 77% below

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Largest Counties in Illinois

Cook County → Dupage County → Lake County → Will County → Kane County → Mchenry County → Winnebago County → Madison County → St. Clair County → Champaign County →

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FAQs

Clinton County ranks 78th of 102 Illinois counties for combined STD rate in 2023, at 228.3 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Clinton County, with 67 cases at a rate of 182.1 per 100,000 residents.
STDTest.com lists confidential testing locations across Clinton 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