In 2020, McDonough County, IL had a population of 30.1k people with a median age of 33.7 and a median household income of $43,591. Between 2019 and 2020 the population of McDonough County, IL declined from 30,479 to 30,107, a −1.22% decrease and its median household income declined from $44,471 to $43,591, a −1.98% decrease.
The 5 largest ethnic groups in McDonough County, IL are White (Non-Hispanic) (87.5%), Black or African American (Non-Hispanic) (4.83%), Asian (Non-Hispanic) (2.33%), Two+ (Non-Hispanic) (2.22%), and White (Hispanic) (1.88%).
None of the households in McDonough 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.
98.5% of the residents in McDonough County, IL are U.S. citizens.
The largest universities in McDonough County, IL are Western Illinois University (2,324 degrees awarded in 2020).
In 2020, the median property value in McDonough County, IL was $91,700, and the homeownership rate was 63.3%. Most people in McDonough County, IL drove alone to work, and the average commute time was 16.8 minutes. The average car ownership in McDonough County, IL was 2 cars per household.