Alton Property Data
Madison County, Illinois
13,127
Properties
$143k
Avg Price
1,333
Avg Sq Ft
Affordable MarketBelow-average pricing
Madison County, Illinois
Alton has 13,127 properties in our comprehensive database.
Alton offers affordable housing with an average price of $142,830.
With a price per square foot of just $107, this area offers excellent value for buyers.
Home prices in Alton are 49% lower than the Madison County average.
Showing 151-200 of 18,112 properties
The average home price in Alton, IL is $142,830, based on analysis of 13,127 properties in our database.
Our database includes 13,127 properties in Alton, IL, providing comprehensive market coverage.
The average price per square foot in Alton, IL is $107. This is calculated from an average home price of $142,830 and average size of 1,333 square feet.
Homes in Alton, IL average 1,333 square feet, with an average price of $142,830.
Alton, IL is one of many cities in Madison 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.
