House Prices

House Prices & Home Values Grafton, IL 2026


Average Data

average house price$521,000
average size per house3603 ft²
average price per ft²145 $ / ft²

04/17/2026 - The value range (VR) for house prices in Grafton, IL is $145/ sqft to $145/ sqft. An average home with 3603 sqft costs approximately $522,435 to $522,435. Grafton, IL includes 1 ZIP codes and it is located in Jersey county. The lowest prices are found in ZIP 62037, while the highest are in ZIP 62037. The average price per sqare feet is $145. Our analysis is based on 2 property listings.

Avergage prices by ZIP codes Grafton

62037147 $ / ft²




Historical development of home values in Grafton

Year Estimated value (USD) Change vs. 2025
2010 $241,962 -53.6%
2011 $232,605 -55.4%
2012 $231,979 -55.5%
2013 $240,650 -53.8%
2014 $252,616 -51.5%
2015 $265,581 -49.0%
2016 $279,441 -46.4%
2017 $294,523 -43.5%
2018 $310,806 -40.3%
2019 $325,218 -37.6%
2020 $342,030 -34.4%
2021 $389,022 -25.3%
2022 $453,513 -13.0%
2023 $478,250 -8.2%
2024 $505,917 -2.9%
2025 $521,000 0.0%

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



Example: 100% financing house in Grafton

Loan amount: $521,000

Interest rate: 6.00%

Fixed monthly payment: $3,123.66

Breakdown in the 1st month:
Interest portion: $2,605.00  –  Principal portion: $518.66

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $31,085.96 $6,397.94 $514,602.06
2 $30,691.35 $6,792.55 $507,809.51
3 $30,272.40 $7,211.50 $500,598.01
4 $29,827.61 $7,656.29 $492,941.71
5 $29,355.38 $8,128.51 $484,813.20
6 $28,854.04 $8,629.86 $476,183.34
7 $28,321.76 $9,162.13 $467,021.20
8 $27,756.66 $9,727.24 $457,293.97
9 $27,156.71 $10,327.19 $446,966.78
10 $26,519.75 $10,964.15 $436,002.63
11 $25,843.51 $11,640.39 $424,362.23
12 $25,125.55 $12,358.35 $412,003.89
13 $24,363.32 $13,120.58 $398,883.30
14 $23,554.07 $13,929.83 $384,953.47
15 $22,694.91 $14,788.99 $370,164.48
16 $21,782.75 $15,701.15 $354,463.33
17 $20,814.34 $16,669.56 $337,793.78
18 $19,786.20 $17,697.70 $320,096.08
19 $18,694.64 $18,789.26 $301,306.82
20 $17,535.76 $19,948.14 $281,358.68
21 $16,305.41 $21,178.49 $260,180.19
22 $14,999.16 $22,484.74 $237,695.46
23 $13,612.35 $23,871.55 $213,823.91
24 $12,140.01 $25,343.89 $188,480.02
25 $10,576.85 $26,907.05 $161,572.97
26 $8,917.29 $28,566.61 $133,006.36
27 $7,155.36 $30,328.54 $102,677.82
28 $5,284.76 $32,199.14 $70,478.68
29 $3,298.79 $34,185.11 $36,293.57
30 $1,190.33 $36,293.57 $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 Grafton, IL


1500 sqft3900 sqft
Ø selling price$263,176$559,845
Ø fast selling$239,251$503,861
Ø high price sale$287,100$615,830

In 2026, houses in Grafton, IL will be offered at an average price of $145 per square foot. A 1,500 sqft home priced at $263,176 is 23.25% more expensive per square foot than a 3,900 sqft home priced at $559,845. Home prices in Grafton, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $387,586. Sellers who can wait longer may achieve a higher price of up to $473,716.

FAQ – Home Values in Grafton

What is the median home value in Grafton in 2026?

In 2026, the typical home value in Grafton is about $521,000 for an average home size of 3603 square feet. This corresponds to an average price of roughly $145 per square foot.

What is the average cost per square foot in Grafton?

In 2026, homes in Grafton sell for an average of around $145 per square foot, with a typical range between $145 and $145 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 Grafton is about 3603 square feet, with an estimated 2026 value around $521,000.



Locations close to Grafton, IL

Granite City, IL82 $ / ft²
Greenfield, IL79 $ / ft²
Hamburg, IL82 $ / ft²
Golden Eagle, IL127 $ / ft²
Godfrey, IL100 $ / ft²
Glen Carbon, IL167 $ / ft²
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