In 2020, Whiteside County, IL had a population of 55.6k people with a median age of 43.2 and a median household income of $57,172. Between 2019 and 2020 the population of Whiteside County, IL declined from 56,016 to 55,583, a −0.773% decrease and its median household income grew from $54,232 to $57,172, a 5.42% increase.
The 5 largest ethnic groups in Whiteside County, IL are White (Non-Hispanic) (84.1%), White (Hispanic) (9.09%), Two+ (Hispanic) (1.97%), Two+ (Non-Hispanic) (1.6%), and Black or African American (Non-Hispanic) (1.22%).
None of the households in Whiteside County, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
98.2% of the residents in Whiteside County, IL are U.S. citizens.
The largest universities in Whiteside County, IL are Morrison Institute of Technology (43 degrees awarded in 2020) and Educators of Beauty College of Cosmetology-Sterling (18 degrees).
In 2020, the median property value in Whiteside County, IL was $107,800, and the homeownership rate was 74.3%.
Most people in Whiteside County, IL drove alone to work, and the average commute time was 20.2 minutes. The average car ownership in Whiteside County, IL was 2 cars per household.
Whiteside County, IL borders Bureau County, IL, Carroll County, IL, Henry County, IL, Lee County, IL, Ogle County, IL, Rock Island County, IL, and Clinton County, IA.