In 2023, Carroll County, IL had a population of 15.6k people with a median age of 44.9 and a median household income of $60,871. Between 2022 and 2023 the population of Carroll County, IL grew from 15,594 to 15,621, a 0.173% increase and its median household income declined from $61,539 to $60,871, a −1.09% decrease.
The 5 largest ethnic groups in Carroll County, IL are White (Non-Hispanic) (88.4%), Black or African American (Non-Hispanic) (3.74%), White (Hispanic) (2.33%), Two+ (Non-Hispanic) (1.75%), and Two+ (Hispanic) (1.75%).
None of the households in Carroll 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.
99.6% of the residents in Carroll County, IL are U.S. citizens.
In 2023, the median property value in Carroll County, IL was $113,500, and the homeownership rate was 77.8%.
Most people in Carroll County, IL drove alone to work, and the average commute time was 22.2 minutes. The average car ownership in Carroll County, IL was 2 cars per household.
Carroll County, IL borders Jo Daviess County, IL, Ogle County, IL, Stephenson County, IL, Whiteside County, IL, Clinton County, IA, and Jackson County, IA.