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Wilsonville, IL

Population
529
U.S. Census Population Estimates Program · 2025
Elevation
640 ft
Median Home Value
$85,000
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$833/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$45,417
U.S. Census American Community Survey 5-Year · 2024

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Wilsonville in context.

OverallBest places in IllinoisPopulation rankingHighest population places in IllinoisNearest larger communityAlton, Illinois20 miles away · 25,013 residents.

About Wilsonville

Wilsonville is a village in Macoupin County, Illinois, United States. The 2020 census counted 536 residents. Wilsonville is located in southern Macoupin County. Illinois Route 138 passes through the northwest side of the village, leading northeast 3 miles to Mount Clare and west 7 miles to Bunker Hill. Wilsonville's local map joins its older history to the places and landscapes that still shape the town today, all within the wider Illinois setting. The local scoop is how Wilsonville's history still shows up in the places people visit, work, learn, and meet.

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Highest current ratings for this town.

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

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