Niles
Niles has roughly average household income, with a median household income of $75,274. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $358,700. With a median age of 48.2, the population is older than the US median of 38.9.
Population & growth
PEP 2025 EST:30,443 residents (Census Bureau Vintage 2025, released March 2026)
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How many people live in Niles, Illinois?
Niles, Illinois has about 30,064 residents according to the 2024 American Community Survey.
What is the median household income in Niles, Illinois?
The typical household in Niles, Illinois earns about $75,274 a year. Half of households make more than that, and half make less.
Is Niles, Illinois expensive?
In Niles, Illinois, the median home is worth about $358,700, and the typical rent is about $1,336 a month.
How educated are people in Niles, Illinois?
About 39.3% of adults age 25 and over in Niles, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Niles, Illinois?
About 8.5% of people in Niles, Illinois live below the federal poverty line.
Has Niles, Illinois grown since 1990?
Yes, Niles, Illinois has grown since 1990. The population has added about 1,780 residents, a change of about 6 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024