In 2023, Greene County, IL had a population of 11.8k people with a median age of 43.1 and a median household income of $60,976. Between 2022 and 2023 the population of Greene County, IL declined from 12,015 to 11,837, a −1.48% decrease and its median household income grew from $58,900 to $60,976, a 3.52% increase.
The 5 largest ethnic groups in Greene County, IL are White (Non-Hispanic) (96%), Two+ (Non-Hispanic) (1.82%), Black or African American (Non-Hispanic) (0.684%), Two+ (Hispanic) (0.541%), and Other (Hispanic) (0.346%).
None of the households in Greene 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.
100% of the residents in Greene County, IL are U.S. citizens.
In 2023, the median property value in Greene County, IL was $94,400, and the homeownership rate was 76.8%.
Most people in Greene County, IL drove alone to work, and the average commute time was 29.6 minutes. The average car ownership in Greene County, IL was 2 cars per household.
Greene County, IL borders Calhoun County, IL, Jersey County, IL, Macoupin County, IL, Morgan County, IL, Pike County, IL, and Scott County, IL.