In 2021, Hamilton County, IL had a population of 8.02k people with a median age of 43.9 and a median household income of $58,306. Between 2020 and 2021 the population of Hamilton County, IL declined from 8,151 to 8,021, a −1.59% decrease and its median household income grew from $55,977 to $58,306, a 4.16% increase.
The 5 largest ethnic groups in Hamilton County, IL are White (Non-Hispanic) (95.3%), Two+ (Non-Hispanic) (2.17%), Other (Hispanic) (0.898%), White (Hispanic) (0.823%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.374%).
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.
99.9% of the residents in Hamilton County, IL are U.S. citizens.
In 2021, the median property value in Hamilton County, IL was $93,700, and the homeownership rate was 77.8%.
Most people in Hamilton County, IL drove alone to work, and the average commute time was 26.7 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.