Coal City
Coal City has lower-than-average household income, with a median household income of $72,857. Population has held roughly steady since 2000. Median home value has risen by half since 2000, reaching $201,600. With a median age of 44.3, the population is older than the US median of 38.9. Poverty is rare here, at 4.4% of residents.
Population & growth
PEP 2025 EST:5,831 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
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Education
Commute & transportation
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People & community
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How many people live in Coal City, Illinois?
Coal City, Illinois has about 5,317 residents according to the 2024 American Community Survey.
What is the median household income in Coal City, Illinois?
The typical household in Coal City, Illinois earns about $72,857 a year. Half of households make more than that, and half make less.
Is Coal City, Illinois expensive?
In Coal City, Illinois, the median home is worth about $201,600, and the typical rent is about $1,123 a month.
How educated are people in Coal City, Illinois?
About 23.2% of adults age 25 and over in Coal City, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Coal City, Illinois?
About 4.4% of people in Coal City, Illinois live below the federal poverty line.
Has Coal City, Illinois grown since 1990?
Yes, Coal City, Illinois has grown since 1990. The population has added about 1,426 residents, a change of about 37 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024