In 2020, Knox County, IL had a population of 50.1k people with a median age of 42 and a median household income of $44,464. Between 2019 and 2020 the population of Knox County, IL declined from 50,508 to 50,052, a −0.903% decrease and its median household income grew from $44,129 to $44,464, a 0.759% increase.
The 5 largest ethnic groups in Knox County, IL are White (Non-Hispanic) (82.4%), Black or African American (Non-Hispanic) (8.73%), White (Hispanic) (3.33%), Other (Hispanic) (1.51%), and Two+ (Non-Hispanic) (1.47%).
None of the households in Knox 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.
97.4% of the residents in Knox County, IL are U.S. citizens.
The largest universities in Knox County, IL are Carl Sandburg College (541 degrees awarded in 2020) and Knox College (339 degrees).
In 2020, the median property value in Knox County, IL was $83,700, and the homeownership rate was 66.5%.
Most people in Knox County, IL drove alone to work, and the average commute time was 20 minutes. The average car ownership in Knox County, IL was 2 cars per household.
Knox County, IL borders Fulton County, IL, Henry County, IL, Mercer County, IL, Peoria County, IL, Stark County, IL, and Warren County, IL.