Winthrop Harbor
Winthrop Harbor is wealthier than most US places, with a median household income of $95,690. Population has held roughly steady since 2000. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has risen by half since 2000, reaching $250,800. With a median age of 53.4, the population is older than the US median of 38.9. It sits in the top 10% of US cities for household income.
Population & growth
PEP 2025 EST:6,525 residents (Census Bureau Vintage 2025, released March 2026)
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People & community
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How many people live in Winthrop Harbor, Illinois?
Winthrop Harbor, Illinois has about 6,559 residents according to the 2024 American Community Survey.
What is the median household income in Winthrop Harbor, Illinois?
The typical household in Winthrop Harbor, Illinois earns about $95,690 a year. Half of households make more than that, and half make less.
Is Winthrop Harbor, Illinois expensive?
In Winthrop Harbor, Illinois, the median home is worth about $250,800, and the typical rent is about $1,313 a month.
How educated are people in Winthrop Harbor, Illinois?
About 22.2% of adults age 25 and over in Winthrop Harbor, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Winthrop Harbor, Illinois?
About 5.2% of people in Winthrop Harbor, Illinois live below the federal poverty line.
Has Winthrop Harbor, Illinois grown since 1990?
Yes, Winthrop Harbor, Illinois has grown since 1990. The population has added about 319 residents, a change of about 5 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024