House Prices

House Prices & Home Values Alton, IL 2026


Average Data

average house price$52,800
average size per house1838 ft²
average price per ft²29 $ / ft²

04/18/2026 - The value range (VR) for house prices in Alton, IL is $46/ sqft to $46/ sqft. An average home with 1838 sqft costs approximately $84,548 to $84,548. Alton, IL includes 1 ZIP codes and it is located in Madison county. The lowest prices are found in ZIP 62002, while the highest are in ZIP 62002. The average price per sqare feet is $29. Our analysis is based on 10 property listings.

Avergage prices by ZIP codes Alton

6200246 $ / ft²




Historical development of home values in Alton

Year Estimated value (USD) Change vs. 2025
2010 $24,521 -53.6%
2011 $23,573 -55.4%
2012 $23,510 -55.5%
2013 $24,388 -53.8%
2014 $25,601 -51.5%
2015 $26,915 -49.0%
2016 $28,320 -46.4%
2017 $29,848 -43.5%
2018 $31,498 -40.3%
2019 $32,959 -37.6%
2020 $34,663 -34.4%
2021 $39,425 -25.3%
2022 $45,961 -13.0%
2023 $48,468 -8.2%
2024 $51,271 -2.9%
2025 $52,800 0.0%

Graph: estimated home values in Alton over time (USD)



Example: 100% financing house in Alton

Loan amount: $52,800

Interest rate: 6.00%

Fixed monthly payment: $316.56

Breakdown in the 1st month:
Interest portion: $264.00  –  Principal portion: $52.56

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $3,150.36 $648.39 $52,151.61
2 $3,110.37 $688.38 $51,463.23
3 $3,067.91 $730.84 $50,732.39
4 $3,022.84 $775.92 $49,956.47
5 $2,974.98 $823.77 $49,132.70
6 $2,924.17 $874.58 $48,258.12
7 $2,870.23 $928.52 $47,329.60
8 $2,812.96 $985.79 $46,343.80
9 $2,752.16 $1,046.59 $45,297.21
10 $2,687.61 $1,111.15 $44,186.06
11 $2,619.07 $1,179.68 $43,006.38
12 $2,546.31 $1,252.44 $41,753.94
13 $2,469.07 $1,329.69 $40,424.26
14 $2,387.05 $1,411.70 $39,012.56
15 $2,299.98 $1,498.77 $37,513.79
16 $2,207.54 $1,591.21 $35,922.58
17 $2,109.40 $1,689.35 $34,233.23
18 $2,005.20 $1,793.55 $32,439.68
19 $1,894.58 $1,904.17 $30,535.51
20 $1,777.14 $2,021.62 $28,513.89
21 $1,652.45 $2,146.30 $26,367.59
22 $1,520.07 $2,278.68 $24,088.91
23 $1,379.52 $2,419.23 $21,669.68
24 $1,230.31 $2,568.44 $19,101.24
25 $1,071.90 $2,726.86 $16,374.38
26 $903.71 $2,895.04 $13,479.34
27 $725.15 $3,073.60 $10,405.74
28 $535.58 $3,263.18 $7,142.56
29 $334.31 $3,464.44 $3,678.12
30 $120.63 $3,678.12 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Alton, IL


1500 sqft3900 sqft
Ø selling price$52,636$111,970
Ø fast selling$47,851$100,773
Ø high price sale$57,421$123,166

In 2026, houses in Alton, IL will be offered at an average price of $29 per square foot. A 1,500 sqft home priced at $52,636 is 22.91% more expensive per square foot than a 3,900 sqft home priced at $111,970. Home prices in Alton, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $77,517. Sellers who can wait longer may achieve a higher price of up to $94,744.


Discover Alton, IL: Riverfront History and Attractions


Overview

Alton, IL sits on the Mississippi River just north of St Louis, offering scenic views and small-city charm. As a gateway on the Great River Road, the town draws road-trippers with dramatic limestone bluffs and riverfront parks.


History & Culture

Alton?s historic core features red-brick streets, Victorian architecture, and a lively antiques scene. History buffs come for sites tied to the Lincoln?Douglas debates and the Underground Railroad, deepening the city?s cultural appeal.


Outdoors & Nature

Outdoor enthusiasts enjoy eagle watching in winter, kayaking and river cruises in warmer months, and sunset views from the Alton Marina. Nearby trails lead to overlooks of the iconic Piasa Bird mural and connect to scenic hikes and bike routes.


Family & Events

Family-friendly attractions include interactive museums, public art, and seasonal festivals that energize the downtown.


Food & Drink

Foodies sample farm-to-table dining, classic Midwestern comfort food, and craft breweries scattered along the walkable riverfront.


Plan Your Visit

Alton, IL also sits along historic Route 66 spurs, making it an easy stop for classic car caravans and history lovers. With affordable stays, free parking, and quick access to St Louis, Alton makes an excellent base for exploring southwest Illinois.



FAQ – Home Values in Alton

What is the median home value in Alton in 2026?

In 2026, the typical home value in Alton is about $52,800 for an average home size of 1838 square feet. This corresponds to an average price of roughly $29 per square foot.

What is the average cost per square foot in Alton?

In 2026, homes in Alton sell for an average of around $29 per square foot, with a typical range between $46 and $46 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Alton is about 1838 square feet, with an estimated 2026 value around $52,800.



Locations close to Alton, IL

Batchtown, IL74 $ / ft²
Benld, IL46 $ / ft²
Bethalto, IL131 $ / ft²
Alhambra, IL160 $ / ft²
Windsor, IL65 $ / ft²
Villa Grove, IL76 $ / ft²
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