In 2019, Hamilton County, IL had a population of 8.18k people with a median age of 43.6 and a median household income of $54,046. Between 2018 and 2019 the population of Hamilton County, IL declined from 8,221 to 8,176, a −0.547% decrease and its median household income declined from $56,862 to $54,046, a −4.95% decrease.
The 5 largest ethnic groups in Hamilton County, IL are White (Non-Hispanic) (98.7%), White (Hispanic) (0.538%), Black or African American (Non-Hispanic) (0.404%), Other (Hispanic) (0.208%), and Asian (Non-Hispanic) (0.147%). 0% of the households in Hamilton County, IL speak a non-English language at home as their primary language.
99.8% of the residents in Hamilton County, IL are U.S. citizens.
In 2019, the median property value in Hamilton County, IL was $93,500, and the homeownership rate was 80%. Most people in Hamilton County, IL drove alone to work, and the average commute time was 23.9 minutes. The average car ownership in Hamilton County, IL was 2 cars per household.