In 2021, Johnson County, IL had a population of 13.2k people with a median age of 43.4 and a median household income of $58,502. Between 2020 and 2021 the population of Johnson County, IL grew from 12,391 to 13,238, a 6.84% increase and its median household income grew from $55,363 to $58,502, a 5.67% increase.
The 5 largest ethnic groups in Johnson County, IL are White (Non-Hispanic) (86.4%), Black or African American (Non-Hispanic) (9.1%), White (Hispanic) (1.48%), Two+ (Non-Hispanic) (1.01%), and Other (Hispanic) (0.997%).
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.
99.3% of the residents in Johnson County, IL are U.S. citizens.
In 2021, the median property value in Johnson County, IL was $122,300, and the homeownership rate was 85.3%.
Most people in Johnson County, IL drove alone to work, and the average commute time was 25.9 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.