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.
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.