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Advertise here →Williamson, IL · village
Williamson, Illinois houses and real estate market data.
Houses in Williamson, IL (Madison County) — market data for Williamson houses and the whole local market.
village · Census GEOID 1781815
🔥 FEATURED LISTING: WATERFRONT LAKE HOME FOR SALE
Clearlake Oaks Canal-Front Oasis
$374,999 • 3 Beds • 2 Baths • 1,204 Sq Ft
554 Keys, Clearlake Oaks, CA 95423
Luxury Living Lake Lifestyle – Deep Water Access to Clear Lake: PAID-OFF SOLAR • 10-Ft Concrete Seawall • Double Boat Lifts & Private Dock • Hot Tub • Mini-Split HVAC • Close to SF Bay / Wine Country • Cleanest Air in America (Lake County CA) • Spacious Patio and Deck • Open Floor Plan • RV/Boat Parking • Want the Boats? • Make Offer ASAP This Lake Home For Sale in California won't last!
*Listed by Scott Brown, EXP Realty, DRE #01956840. Inquiries delivered directly to listing agent. Search.USAHouses.com*
📩 Contact Agent Direct:
Scott Brown - EXP Realty
Scott@USAHouses.com
Call/Text (707) 474-8855
👉 Click Anywhere on Ad for More Info / Listing Page
Williamson, IL is a village in Madison County, Illinois — this guide covers houses in Williamson and the whole local market: resale homes, condos, land, and new construction.
Info from government sites and builders may have provided source info.
Open map pin ↗ · 38.98453, -89.762536
At a glance
Williamson market snapshot
Place type
village
County
Madison County
Map pin
38.98453, -89.762536
Census GEOID
1781815
Land area
1.17 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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Advertise here →Why Williamson
What makes Williamson different
Village
The U.S. Census Bureau lists Williamson as a village in Madison County, Illinois.
Nearby
Places around Williamson
County guide: Madison County — cities, market context, and local resources for the county that includes Williamson.
USAHouses.com also publishes Census place pages for other communities in the same county as Williamson.
Nearby communities include Livingston, New Douglas, Worden, Alhambra, Hamel, Prairietown, Holiday Shores, Grantfork, Marine, Moro, Highland, Bethalto, Rosewood Heights, Edwardsville, St. Jacob, Wood River.
Livingston market data
Nearby city · ~1.1 mi
New Douglas market data
Nearby city · ~5.2 mi
Worden market data
Nearby city · ~5.6 mi
Alhambra market data
Nearby city · ~6.8 mi
Hamel market data
Nearby city · ~7.6 mi
Prairietown market data
Nearby city · ~8.7 mi
Holiday Shores market data
Nearby city · ~10.3 mi
Grantfork market data
Nearby city · ~12.1 mi
Marine market data
Nearby city · ~13.7 mi
Moro market data
Nearby city · ~14.8 mi
Highland market data
Nearby city · ~15.4 mi
Bethalto market data
Nearby city · ~16.2 mi
Rosewood Heights market data
Nearby city · ~18.0 mi
Edwardsville market data
Nearby city · ~18.1 mi
St. Jacob market data
Nearby city · ~18.4 mi
Wood River market data
Nearby city · ~18.9 mi
Adjacent-county Census places with USAHouses.com pages: Staunton (~2.4 mi), White City (~6.0 mi), Mount Olive (~6.4 mi), Sawyerville (~7.1 mi), Wilsonville (~7.7 mi), Benld (~7.8 mi), Lake Ka-Ho (~7.8 mi), Eagarville (~8.6 mi), Mount Clare (~8.7 mi), Dorchester (~9.7 mi), Sorento (~10.1 mi), Gillespie (~10.2 mi), Bunker Hill (~10.9 mi), East Gillespie (~10.9 mi), Old Ripley (~12.0 mi), Panama (~13.2 mi).
Census & home facts
Williamson data from published sources
County FHFA annual change (2025)
6.69%
County median listing price (FRED/Realtor.com) (2026-06-01)
$214,000
Census place type
village
County
Madison County
Land area (Census Gazetteer 2024)
1.17 sq mi
Census GEOID
1781815
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Williamson
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Riverstone ↗
McBride Homes · Florissant, Missouri · ~31.7 mi · from $250,000
River Bluffs Manors ↗
McBride Homes · Florissant, Missouri · ~34.0 mi · from $250,000
River Bluffs Meadows ↗
McBride Homes · Florissant, Missouri · ~34.2 mi · from $240,000
Koch Park Manors ↗
McBride Homes · Florissant, Missouri · ~34.6 mi · from $250,000
Arapaho Village ↗
Champion Homes · Belleville, Illinois · ~34.6 mi
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Common questions
Williamson FAQ
What kind of place is Williamson, IL?
The U.S. Census Bureau lists Williamson as a village in Madison County, Illinois.
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