Knoxville
Knoxville has roughly average household income, with a median household income of $82,863. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $145,300.
Population & growth
PEP 2025 EST:2,810 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
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How many people live in Knoxville, Illinois?
Knoxville, Illinois has about 3,211 residents according to the 2024 American Community Survey.
What is the median household income in Knoxville, Illinois?
The typical household in Knoxville, Illinois earns about $82,863 a year. Half of households make more than that, and half make less.
Is Knoxville, Illinois expensive?
In Knoxville, Illinois, the median home is worth about $145,300, and the typical rent is about $623 a month.
How educated are people in Knoxville, Illinois?
About 24.8% of adults age 25 and over in Knoxville, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Knoxville, Illinois?
About 7.2% of people in Knoxville, Illinois live below the federal poverty line.
Has Knoxville, Illinois grown since 1990?
Yes, Knoxville, Illinois has shrunk since 1990. The population has lost about 27 residents, a change of about -1 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024