Union Hill
Union Hill is significantly wealthier than the US average, with a median household income of $112,500. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $158,300. Poverty is rare here, at 2.8% of residents. It ranks in the top 5% of US cities for household income. Households here earn about 35% more than the Illinois median.
Population & growth
PEP 2025 EST:49 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 Union Hill, Illinois?
Union Hill, Illinois has about 73 residents according to the 2024 American Community Survey.
What is the median household income in Union Hill, Illinois?
The typical household in Union Hill, Illinois earns about $112,500 a year. Half of households make more than that, and half make less.
Is Union Hill, Illinois expensive?
In Union Hill, Illinois, the median home is worth about $158,300.
How educated are people in Union Hill, Illinois?
About 39.1% of adults age 25 and over in Union Hill, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Union Hill, Illinois?
About 2.8% of people in Union Hill, Illinois live below the federal poverty line.
Has Union Hill, Illinois grown since 1990?
Yes, Union Hill, Illinois has grown since 1990. The population has added about 36 residents, a change of about 97 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024