STD Rates in Whiteside County, Illinois

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

Data Year: 2023 Source: CDC STI Surveillance Population: 54,496
Combined
313.8
per 100K
53rd / 102
Chlamydia
256.9
per 100K • 140 cases
US rate: 490.7
49th of 102 in Illinois
Higher than 44% of US counties
Gonorrhea
45.9
per 100K • 25 cases
US rate: 178.2
74th of 102 in Illinois
Higher than 38% of US counties
Syphilis P&S
11
per 100K • 6 cases
Based on 6 cases — interpret with care
US rate: 15.8

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, too few for a reliable comparison). Routine testing is the surest way to catch STDs early, since many produce no symptoms. Whiteside County has confidential testing locations available.

STD Trends in Whiteside County, 2000–2023

Reported cases per 100,000 residents each year, against the Illinois rate (dashed). In a county this size a handful of cases moves the rate a long way, so read the shape rather than any single year.

Chlamydia
256.9
per 100K in 2023
214.4 in 2000
Peak 518.4 in 2019
Gonorrhea
45.9
per 100K in 2023
59.4 in 2000
Peak 103.3 in 2019
Syphilis (P&S)
11.0
per 100K in 2023
0.0 in 2000
Peak 11.0 in 2023

Source: CDC NCHHSTP AtlasPlus county surveillance, 2000–2023.

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Whiteside County vs Illinois and the US

Infection Whiteside County Illinois US vs Illinois vs US Rank in Illinois
Chlamydia 256.9140 cases 557.7 490.7 53.9% below 47.6% below 49th of 102
Gonorrhea 45.925 cases 202.3 178.2 77.3% below 74.2% below 74th of 102
Syphilis (P&S) 116 cases 11.6 15.8 Too few cases Too few cases –

Rates per 100,000 residents, 2023. Ranks run from the highest rate (1st) among Illinois’s counties. The US rate is all 50 states combined. Comparisons are left out where fewer than 20 cases were reported, because a rate built on so few cases can swing widely from one year to the next.

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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.
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.