STD Rates in Carroll County, Illinois

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 15,525
Combined
154.5
per 100K
96th / 102
Chlamydia
109.5
per 100K • 17 cases
Gonorrhea
38.6
per 100K • 6 cases
Syphilis P&S
6.4
per 100K • 1 cases

Carroll County is among the lower-burden counties in Illinois, reporting a combined STD rate of 154.5 per 100,000 residents in 2023 — 96th of 102 counties. Reported infections included chlamydia at 109.5 per 100,000 (17 cases, 80% below the state rate), gonorrhea at 38.6 per 100,000 (6 cases, 81% below the state rate), syphilis at 6.4 per 100,000 (1 case, 45% below the state rate). Confidential STD testing is available throughout Carroll County — knowing your status is the only way to catch infections that often show no symptoms.

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Carroll County vs Illinois Average

Infection Carroll County Illinois Rate Difference
Chlamydia 109.5 557.7 80% below
Gonorrhea 38.6 202.3 81% below
Syphilis (P&S) 6.4 11.6 45% 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

Carroll County ranks 96th of 102 Illinois counties for combined STD rate in 2023, at 154.5 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Carroll County, with 17 cases at a rate of 109.5 per 100,000 residents.
STDTest.com lists confidential testing locations across Carroll 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