House Prices

House Prices & Home Values Mendon, IL 2026


Average Data

average house price$259,675
average size per house1814 ft²
average price per ft²144 $ / ft²

06/19/2026 - The value range (VR) for house prices in Mendon, IL is $136/ sqft to $136/ sqft. An average home with 1814 sqft costs approximately $246,704 to $246,704. Mendon, IL includes 1 ZIP codes and it is located in Adams county. The lowest prices are found in ZIP 62351, while the highest are in ZIP 62351. The average price per sqare feet is $144. Our analysis is based on 4 property listings.

Avergage prices by ZIP codes Mendon

62351143 $ / ft²




Historical development of home values in Mendon

Year Estimated value (USD) Change vs. 2025
2010 $120,598 -53.6%
2011 $115,934 -55.4%
2012 $115,622 -55.5%
2013 $119,944 -53.8%
2014 $125,908 -51.5%
2015 $132,370 -49.0%
2016 $139,278 -46.4%
2017 $146,795 -43.5%
2018 $154,911 -40.3%
2019 $162,094 -37.6%
2020 $170,473 -34.4%
2021 $193,895 -25.3%
2022 $226,038 -13.0%
2023 $238,368 -8.2%
2024 $252,158 -2.9%
2025 $259,675 0.0%

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



Example: 100% financing house in Mendon

Loan amount: $259,675

Interest rate: 6.00%

Fixed monthly payment: $1,556.88

Breakdown in the 1st month:
Interest portion: $1,298.38  –  Principal portion: $258.51

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $15,493.75 $3,188.84 $256,486.16
2 $15,297.07 $3,385.52 $253,100.64
3 $15,088.26 $3,594.33 $249,506.31
4 $14,866.57 $3,816.02 $245,690.29
5 $14,631.21 $4,051.39 $241,638.90
6 $14,381.33 $4,301.27 $237,337.63
7 $14,116.03 $4,566.56 $232,771.08
8 $13,834.38 $4,848.21 $227,922.86
9 $13,535.35 $5,147.24 $222,775.62
10 $13,217.88 $5,464.71 $217,310.91
11 $12,880.83 $5,801.76 $211,509.14
12 $12,522.99 $6,159.60 $205,349.54
13 $12,143.08 $6,539.52 $198,810.02
14 $11,739.74 $6,942.86 $191,867.17
15 $11,311.52 $7,371.08 $184,496.09
16 $10,856.88 $7,825.71 $176,670.38
17 $10,374.21 $8,308.38 $168,361.99
18 $9,861.77 $8,820.83 $159,541.17
19 $9,317.72 $9,364.88 $150,176.29
20 $8,740.11 $9,942.48 $140,233.81
21 $8,126.88 $10,555.71 $129,678.10
22 $7,475.83 $11,206.76 $118,471.34
23 $6,784.62 $11,897.97 $106,573.37
24 $6,050.78 $12,631.81 $93,941.55
25 $5,271.68 $13,410.92 $80,530.64
26 $4,444.52 $14,238.07 $66,292.57
27 $3,566.35 $15,116.24 $51,176.32
28 $2,634.01 $16,048.58 $35,127.74
29 $1,644.17 $17,038.42 $18,089.32
30 $593.28 $18,089.32 $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 Mendon, IL


1500 sqft3900 sqft
Ø selling price$261,361$555,984
Ø fast selling$237,601$500,386
Ø high price sale$285,120$611,583

In 2026, houses in Mendon, IL will be offered at an average price of $144 per square foot. A 1,500 sqft home priced at $261,361 is 24.10% more expensive per square foot than a 3,900 sqft home priced at $555,984. Home prices in Mendon, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $384,913. Sellers who can wait longer may achieve a higher price of up to $470,449.


Discover Mendon, IL

Location and Community

Mendon, Illinois is a welcoming village in Adams County just northeast of Quincy. Known for its small-town charm, Mendon offers quiet neighborhoods, tree-lined streets, and friendly local businesses.
The village sits amid productive farmland, highlighting a strong agricultural heritage and community pride. Convenient access to regional employers, shopping, and healthcare in Quincy makes Mendon a practical home base.

Education, Events, and Things to Do

Families appreciate the local Unity school district, including Unity High School in Mendon, which anchors youth activities and athletics.
Seasonal festivals and the nearby Adams County Fair bring live entertainment, 4-H exhibits, and classic Midwestern fun. Parks, ball fields, and open spaces provide easy options for walks, picnics, and youth sports throughout the year.

Housing and Lifestyle

Mendon, IL real estate ranges from historic homes near the village center to newer builds on spacious lots, offering value for first-time buyers and upsizers alike.
Low traffic, manageable commutes, and a collaborative civic spirit make daily life simple and stress-free. Whether you are planning a visit or considering a move, Mendon delivers a balanced mix of rural tranquility and modern convenience in western Illinois.



FAQ – Home Values in Mendon

What is the median home value in Mendon in 2026?

In 2026, the typical home value in Mendon is about $259,675 for an average home size of 1814 square feet. This corresponds to an average price of roughly $144 per square foot.

What is the average cost per square foot in Mendon?

In 2026, homes in Mendon sell for an average of around $144 per square foot, with a typical range between $136 and $136 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 Mendon is about 1814 square feet, with an estimated 2026 value around $259,675.



Locations close to Mendon, IL

Milton, IL40 $ / ft²
Mount Sterling, IL156 $ / ft²
Nauvoo, IL88 $ / ft²
Loraine, IL39 $ / ft²
Lima, IL41 $ / ft²
Liberty, IL129 $ / ft²
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