In 2023, Hamilton County, IL had a population of 7.97k people with a median age of 43.5 and a median household income of $61,520. Between 2022 and 2023 the population of Hamilton County, IL declined from 8,008 to 7,972, a −0.45% decrease and its median household income grew from $60,574 to $61,520, a 1.56% increase.
The 5 largest ethnic groups in Hamilton County, IL are White (Non-Hispanic) (94.9%), Two+ (Non-Hispanic) (2.07%), White (Hispanic) (1.1%), Asian (Non-Hispanic) (0.866%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.464%).
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.
99.8% of the residents in Hamilton County, IL are U.S. citizens.
In 2023, the median property value in Hamilton County, IL was $108,800, and the homeownership rate was 78.3%.
Most people in Hamilton County, IL drove alone to work, and the average commute time was 26.5 minutes. The average car ownership in Hamilton County, IL was 2 cars per household.
Hamilton County, IL borders Franklin County, IL, Gallatin County, IL, Jefferson County, IL, Saline County, IL, Wayne County, IL, and White County, IL.