Williamsville Property Data
Sangamon County, Illinois
658
Properties
$257k
Avg Price
2,165
Avg Sq Ft
Affordable MarketBelow-average pricing
Sangamon County, Illinois
Our database includes 658 properties in Williamsville.
With an average price of $257,167, Williamsville offers mid-range housing options.
With a price per square foot of just $119, this area offers excellent value for buyers.
Home prices in Williamsville are 19% higher than the Sangamon County average.
Showing 501-550 of 970 properties
The average home price in Williamsville, IL is $257,167, based on analysis of 658 properties in our database.
Our database includes 658 properties in Williamsville, IL, providing comprehensive market coverage.
The average price per square foot in Williamsville, IL is $119. This is calculated from an average home price of $257,167 and average size of 2,165 square feet.
Homes in Williamsville, IL average 2,165 square feet, with an average price of $257,167.
Williamsville, IL is one of many cities in Sangamon County, IL with property data available. Browse other cities in the county to compare market conditions and pricing.
Get instant access to comprehensive county assessors-based property data with your free API key
Need Bulk Data?
Email us at hello@realie.ai
© 2026 Realie, Inc. All rights reserved.
