In 2019, Iroquois County, IL had a population of 27.8k people with a median age of 44.4 and a median household income of $52,700. Between 2018 and 2019 the population of Iroquois County, IL declined from 28,169 to 27,812, a −1.27% decrease and its median household income grew from $51,825 to $52,700, a 1.69% increase.
The 5 largest ethnic groups in Iroquois County, IL are White (Non-Hispanic) (89.8%), Other (Hispanic) (3.96%), White (Hispanic) (2.74%), Two+ (Non-Hispanic) (1.63%), and Black or African American (Non-Hispanic) (0.816%). 0% of the households in Iroquois County, IL speak a non-English language at home as their primary language, and 98.1% of the residents in Iroquois County, IL are U.S. citizens.
In 2019, the median property value in Iroquois County, IL was $102,800, and the homeownership rate was 76.1%. Most people in Iroquois County, IL drove alone to work, and the average commute time was 22.7 minutes. The average car ownership in Iroquois County, IL was 2 cars per household.