Stonington
Stonington has lower-than-average household income, with a median household income of $65,972. Population has fallen 32% since 2000, a loss of 305 residents. 19% 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 $106,100. With a median age of 44.4, the population is older than the US median of 38.9.
Population & growth
PEP 2025 EST:794 residents (Census Bureau Vintage 2025, released March 2026)
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People & community
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How many people live in Stonington, Illinois?
Stonington, Illinois has about 655 residents according to the 2024 American Community Survey.
What is the median household income in Stonington, Illinois?
The typical household in Stonington, Illinois earns about $65,972 a year. Half of households make more than that, and half make less.
Is Stonington, Illinois expensive?
In Stonington, Illinois, the median home is worth about $106,100, and the typical rent is about $900 a month.
How educated are people in Stonington, Illinois?
About 19.0% of adults age 25 and over in Stonington, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Stonington, Illinois?
About 10.6% of people in Stonington, Illinois live below the federal poverty line.
Has Stonington, Illinois grown since 1990?
Yes, Stonington, Illinois has shrunk since 1990. The population has lost about 351 residents, a change of about -35 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024