Williamson, IL

Population
175
U.S. Census Population Estimates Program · 2025
Elevation
605 ft
Median Home Value
$75,800
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$863/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$57,841
U.S. Census American Community Survey 5-Year · 2024

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About Williamson

Williamson is a village in Madison County, Illinois, United States. The 2020 census counted 183 residents. Williamson had its start as a coal town. The village is named for the land's original owners, John and Matthew Williamson. A newcomer can read Williamson through the overlap of its older landmarks, surrounding geography, and current places. For a newcomer, Williamson comes into focus through those concrete links among its past, landscape, and current routines. Williamson is bordered to the south by the village of Livingston and to the north by Macoupin County. Interstate 55 passes just east of the village, with access from Exit 37 in Livingston.

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