STD Rates in Whiteside County, Illinois

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

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Data Year: 2023 Source: CDC STI Surveillance Population: 54,496
Combined
313.8
per 100K
53rd / 102
Chlamydia
256.9
per 100K • 140 cases
Gonorrhea
45.9
per 100K • 25 cases
Syphilis P&S
11
per 100K • 6 cases

Whiteside County recorded a combined STD rate of 313.8 per 100,000 residents in 2023, ranking 53rd of 102 counties in Illinois. Reported infections included chlamydia at 256.9 per 100,000 (140 cases, 54% below the state rate), gonorrhea at 45.9 per 100,000 (25 cases, 77% below the state rate), syphilis at 11.0 per 100,000 (6 cases, 5% below the state rate). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Whiteside County has confidential testing locations available.

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Whiteside County vs Illinois Average

Infection Whiteside County Illinois Rate Difference
Chlamydia 256.9 557.7 54% below
Gonorrhea 45.9 202.3 77% below
Syphilis (P&S) 11 11.6 5% below

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Largest cities in Whiteside County, Illinois

Largest first, by Census population. Each city page lists nearby clinics, free and low-cost testing, and labs.

STD testing in Sterling, IL14,717 people → STD testing in Rock Falls, IL8,587 people →

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 →

All 102 Illinois counties → STD testing in Illinois →

FAQs

Whiteside County ranks 53rd of 102 Illinois counties for combined STD rate in 2023, at 313.8 per 100,000 residents.
In 2023, chlamydia was the most frequently reported STD in Whiteside County, with 140 cases at a rate of 256.9 per 100,000 residents.
STDTest.com lists confidential testing locations across Whiteside County and Illinois. Many offer same-day appointments with results in 1–3 days.

Related Resources

STD Testing Window Periods How Soon After Sex to Test STD Symptoms Guide Testing Timeline Chart All Testing Clinics STD Statistics and Data
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