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Posen, IL

Population
5,405
U.S. Census Population Estimates Program · 2025
Elevation
600 ft
Median Home Value
$172,900
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$1,372/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$73,051
U.S. Census American Community Survey 5-Year · 2024

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Posen in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityBlue Island, Illinois2.0 miles away · 21,805 residents.

About Posen

Posen is a village in Cook County, Illinois, operating within the southern suburbs of the Chicago metropolitan area. Originally settled by German and Dutch farmers in the late nineteenth century before becoming a hub for Polish immigrants in 1893, the community of approximately 5,292 is served by the Posen-Robbins School District 143.2 for public education.

Top Rating Signals

Highest current ratings for this town.

Lower County Wildfire Hazard Potential ClassA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingSuburban FitA+100.0rating

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