Maryville
Maryville is wealthier than most US places, with a median household income of $100,670. The city has grown rapidly, with population up 79% since 2000. Median home value has more than doubled since 2000, reaching $261,800. With a median age of 51.7, the population is older than the US median of 38.9. Poverty is rare here, at 2.7% of residents. It sits in the top 10% of US cities for household income.
Population & growth
PEP 2025 EST:8,413 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 Maryville, Illinois?
Maryville, Illinois has about 8,316 residents according to the 2024 American Community Survey.
What is the median household income in Maryville, Illinois?
The typical household in Maryville, Illinois earns about $100,670 a year. Half of households make more than that, and half make less.
Is Maryville, Illinois expensive?
In Maryville, Illinois, the median home is worth about $261,800, and the typical rent is about $1,145 a month.
How educated are people in Maryville, Illinois?
About 43.8% of adults age 25 and over in Maryville, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Maryville, Illinois?
About 2.7% of people in Maryville, Illinois live below the federal poverty line.
Has Maryville, Illinois grown since 1990?
Yes, Maryville, Illinois has grown since 1990. The population has added about 5,740 residents, a change of about 223 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024