In 2020, Hamilton County, IL had a population of 8.15k people with a median age of 44.3 and a median household income of $55,977. Between 2019 and 2020 the population of Hamilton County, IL declined from 8,176 to 8,151, a −0.306% decrease and its median household income grew from $54,046 to $55,977, a 3.57% increase.
The 5 largest ethnic groups in Hamilton County, IL are White (Non-Hispanic) (95.8%), Two+ (Non-Hispanic) (1.3%), White (Hispanic) (0.883%), Asian (Non-Hispanic) (0.675%), and Other (Hispanic) (0.626%).
None of the households in Hamilton 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.
99.5% of the residents in Hamilton County, IL are U.S. citizens.
In 2020, the median property value in Hamilton County, IL was $104,900, and the homeownership rate was 77.7%. Most people in Hamilton County, IL drove alone to work, and the average commute time was 26.2 minutes. The average car ownership in Hamilton County, IL was 2 cars per household.