In 2021, Mason County, IL had a population of 13.2k people with a median age of 45.2 and a median household income of $54,415. Between 2020 and 2021 the population of Mason County, IL declined from 13,486 to 13,225, a −1.94% decrease and its median household income grew from $50,883 to $54,415, a 6.94% increase.
The 5 largest ethnic groups in Mason County, IL are White (Non-Hispanic) (96.1%), Two+ (Non-Hispanic) (1.8%), White (Hispanic) (0.567%), Black or African American (Non-Hispanic) (0.476%), and Two+ (Hispanic) (0.378%).
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 2021, the median property value in Mason County, IL was $86,200, and the homeownership rate was 79.1%.
Most people in Mason County, IL drove alone to work, and the average commute time was 26.8 minutes. The average car ownership in Mason County, IL was 2 cars per household.
Mason County, IL borders Cass County, IL, Fulton County, IL, Logan County, IL, Menard County, IL, Schuyler County, IL, and Tazewell County, IL.