In 2023, Johnson County, IL had a population of 13.4k people with a median age of 42.7 and a median household income of $65,203. Between 2022 and 2023 the population of Johnson County, IL grew from 13,313 to 13,350, a 0.278% increase and its median household income grew from $63,295 to $65,203, a 3.01% increase.
The 5 largest ethnic groups in Johnson County, IL are White (Non-Hispanic) (81%), Black or African American (Non-Hispanic) (7.54%), Two+ (Non-Hispanic) (6.97%), Two+ (Hispanic) (2.28%), and White (Hispanic) (1.18%).
None of the households in Johnson 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.
99.6% of the residents in Johnson County, IL are U.S. citizens.
In 2023, the median property value in Johnson County, IL was $148,200, and the homeownership rate was 84.7%.
Most people in Johnson County, IL drove alone to work, and the average commute time was 27.1 minutes. The average car ownership in Johnson County, IL was 2 cars per household.
Johnson County, IL borders Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, and Williamson County, IL.