In 2020, Mason County, IL had a population of 13.5k people with a median age of 45.4 and a median household income of $50,883. Between 2019 and 2020 the population of Mason County, IL declined from 13,621 to 13,486, a −0.991% decrease and its median household income grew from $48,417 to $50,883, a 5.09% increase.
The 5 largest ethnic groups in Mason County, IL are White (Non-Hispanic) (96.4%), Two+ (Non-Hispanic) (1.64%), White (Hispanic) (0.645%), Black or African American (Non-Hispanic) (0.437%), and Other (Hispanic) (0.274%).
None of the households in Mason 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.
99.8% of the residents in Mason County, IL are U.S. citizens.
In 2020, the median property value in Mason County, IL was $87,600, and the homeownership rate was 77.5%. Most people in Mason County, IL drove alone to work, and the average commute time was 27.4 minutes. The average car ownership in Mason County, IL was 2 cars per household.