STD Rates in Peoria County, Illinois

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 177,519
Combined
1309.2
per 100K
2nd / 102
Chlamydia
875.4
per 100K • 1,554 cases
Gonorrhea
415.2
per 100K • 737 cases
Syphilis P&S
18.6
per 100K • 33 cases

Peoria County has one of the higher STD burdens in Illinois, with a combined rate of 1,309.2 per 100,000 residents in 2023 — ranking 2nd of 102 counties. Reported infections included chlamydia at 875.4 per 100,000 (1,554 cases, 57% above the state rate), gonorrhea at 415.2 per 100,000 (737 cases, 105% above the state rate), syphilis at 18.6 per 100,000 (33 cases, 60% above the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Peoria County has confidential testing locations available.

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Peoria County vs Illinois Average

Infection Peoria County Illinois Rate Difference
Chlamydia 875.4 557.7 57% above
Gonorrhea 415.2 202.3 105% above
Syphilis (P&S) 18.6 11.6 60% above

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STD testing in Peoria County, Illinois

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

STD testing in Peoria, IL112,169 people →

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FAQs

Peoria County ranks 2nd of 102 Illinois counties for combined STD rate in 2023, at 1,309.2 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Peoria County, with 1,554 cases at a rate of 875.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Peoria 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