Allerton
Allerton has notably lower household income than the US average, with a median household income of $53,393. Population has fallen 30% since 2000, a loss of 88 residents. 12% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $106,300. With a median age of 51.5, the population is older than the US median of 38.9. Households here earn about 36% less than the Illinois median.
Population & growth
PEP 2025 EST:240 residents (Census Bureau Vintage 2025, released March 2026)
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People & community
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How many people live in Allerton, Illinois?
Allerton, Illinois has about 205 residents according to the 2024 American Community Survey.
What is the median household income in Allerton, Illinois?
The typical household in Allerton, Illinois earns about $53,393 a year. Half of households make more than that, and half make less.
Is Allerton, Illinois expensive?
In Allerton, Illinois, the median home is worth about $106,300, and the typical rent is about $763 a month.
How educated are people in Allerton, Illinois?
About 11.9% of adults age 25 and over in Allerton, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Allerton, Illinois?
About 17.6% of people in Allerton, Illinois live below the federal poverty line.
Has Allerton, Illinois grown since 1990?
Yes, Allerton, Illinois has shrunk since 1990. The population has lost about 71 residents, a change of about -26 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024