STD Rates in Iroquois County, Illinois

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 26,131
Combined
317.7
per 100K
52nd / 102
Chlamydia
256.4
per 100K • 67 cases
Gonorrhea
53.6
per 100K • 14 cases
Syphilis P&S
7.7
per 100K • 2 cases

Iroquois County recorded a combined STD rate of 317.7 per 100,000 residents in 2023, ranking 52nd of 102 counties in Illinois. Reported infections included chlamydia at 256.4 per 100,000 (67 cases, 54% below the state rate), gonorrhea at 53.6 per 100,000 (14 cases, 74% below the state rate), syphilis at 7.7 per 100,000 (2 cases, 34% 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 Iroquois County.

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Iroquois County vs Illinois Average

Infection Iroquois County Illinois Rate Difference
Chlamydia 256.4 557.7 54% below
Gonorrhea 53.6 202.3 74% below
Syphilis (P&S) 7.7 11.6 34% 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

Iroquois County ranks 52nd of 102 Illinois counties for combined STD rate in 2023, at 317.7 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Iroquois County, with 67 cases at a rate of 256.4 per 100,000 residents.
STDTest.com lists confidential testing locations across Iroquois 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