Housing in Alton, IL
Home values, rent, ownership rates, and housing market data
Housing Market Snapshot
Source: Redfin — January 2026Median Sale Price
$113,167
Median List Price
$98,900
Price Per Sq Ft
$97
Days on Market
56
Active Inventory
80
Months of Supply
4.4
Balanced market
Zillow Home Value
$98,178
ZHVI — January 2026
Zillow Rent Index
$997
ZORI — January 2026
Price Trends
Source: RedfinMarket Competitiveness
Source: RedfinSold Above List
11.1%
Off Market in 2 Weeks
27.3%
Sale-to-List Ratio
94.9%
Buyer's market
Market Activity
Source: RedfinHomes Sold
18
New Listings
21
Price Per Square Foot
Source: RedfinMedian Sale $/SF
$97
Median List $/SF
$89
Alton vs Similar Cities
Source: Census ACS / Redfin (2023)Compared to cities with 10,000 - 25,000 residents. Alton is highlighted.
Median Home Value
Median Rent
Median Price Per Sq Ft
Rent Burden
Census Housing Data
Source: U.S. Census Bureau ACS (2023)Median Home Value
$99,500
Median Rent
$948
Total Housing Units
12,513
Vacancy Rate
13.6%
Owner Occupied
57.1%
Renter Occupied
42.9%
Median Property Tax
$1,816
per year
Monthly Cost (w/ Mortgage)
$861
Housing Types
The current median sale price in Alton, IL is $113,167 according to Redfin data. Homes spend a median of 56 days on the market. 11.1% of homes sold above asking price. The market has 4.4 months of supply. The median price per square foot is $97. Zillow's observed rent index is $997/month. About 57.1% of housing units are owner-occupied. The median year homes were built is 1953. There are 12,513 total housing units.