House Prices

House Prices & Home Values Harmon, IL 2026


Average Data

average house price$349,006
average size per house3116 ft²
average price per ft²113 $ / ft²

04/17/2026 - The value range (VR) for house prices in Harmon, IL is $131/ sqft to $131/ sqft. An average home with 3116 sqft costs approximately $408,196 to $408,196. Harmon, IL includes 1 ZIP codes and it is located in Lee county. The lowest prices are found in ZIP 61042, while the highest are in ZIP 61042. The average price per sqare feet is $113. Our analysis is based on 29 property listings.

Avergage prices by ZIP codes Harmon

61042138 $ / ft²




Historical development of home values in Harmon

Year Estimated value (USD) Change vs. 2025
2010 $162,085 -53.6%
2011 $155,817 -55.4%
2012 $155,397 -55.5%
2013 $161,206 -53.8%
2014 $169,222 -51.5%
2015 $177,907 -49.0%
2016 $187,191 -46.4%
2017 $197,294 -43.5%
2018 $208,202 -40.3%
2019 $217,856 -37.6%
2020 $229,118 -34.4%
2021 $260,597 -25.3%
2022 $303,798 -13.0%
2023 $320,369 -8.2%
2024 $338,903 -2.9%
2025 $349,006 0.0%

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



Example: 100% financing house in Harmon

Loan amount: $349,006

Interest rate: 6.00%

Fixed monthly payment: $2,092.47

Breakdown in the 1st month:
Interest portion: $1,745.03  –  Principal portion: $347.44

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $20,823.77 $4,285.83 $344,720.17
2 $20,559.43 $4,550.18 $340,169.99
3 $20,278.79 $4,830.82 $335,339.17
4 $19,980.83 $5,128.77 $330,210.39
5 $19,664.50 $5,445.11 $324,765.29
6 $19,328.66 $5,780.95 $318,984.34
7 $18,972.10 $6,137.50 $312,846.84
8 $18,593.55 $6,516.05 $306,330.78
9 $18,191.66 $6,917.95 $299,412.83
10 $17,764.98 $7,344.63 $292,068.20
11 $17,311.97 $7,797.63 $284,270.57
12 $16,831.03 $8,278.57 $275,991.99
13 $16,320.43 $8,789.18 $267,202.81
14 $15,778.33 $9,331.28 $257,871.54
15 $15,202.80 $9,906.81 $247,964.73
16 $14,591.77 $10,517.84 $237,446.89
17 $13,943.05 $11,166.56 $226,280.33
18 $13,254.32 $11,855.29 $214,425.05
19 $12,523.11 $12,586.49 $201,838.56
20 $11,746.81 $13,362.80 $188,475.76
21 $10,922.62 $14,186.99 $174,288.77
22 $10,047.60 $15,062.01 $159,226.76
23 $9,118.60 $15,991.00 $143,235.75
24 $8,132.31 $16,977.29 $126,258.46
25 $7,085.19 $18,024.42 $108,234.04
26 $5,973.49 $19,136.12 $89,097.92
27 $4,793.21 $20,316.40 $68,781.53
28 $3,540.14 $21,569.47 $47,212.06
29 $2,209.78 $22,899.82 $24,312.24
30 $797.37 $24,312.24 $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 Harmon, IL


1500 sqft3900 sqft
Ø selling price$205,096$436,294
Ø fast selling$186,451$392,664
Ø high price sale$223,741$479,923

In 2026, houses in Harmon, IL will be offered at an average price of $113 per square foot. A 1,500 sqft home priced at $205,096 is 24.15% more expensive per square foot than a 3,900 sqft home priced at $436,294. Home prices in Harmon, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $302,049. Sellers who can wait longer may achieve a higher price of up to $369,172.

FAQ – Home Values in Harmon

What is the median home value in Harmon in 2026?

In 2026, the typical home value in Harmon is about $349,006 for an average home size of 3116 square feet. This corresponds to an average price of roughly $113 per square foot.

What is the average cost per square foot in Harmon?

In 2026, homes in Harmon sell for an average of around $113 per square foot, with a typical range between $131 and $131 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 Harmon is about 3116 square feet, with an estimated 2026 value around $349,006.



Locations close to Harmon, IL

Holcomb, IL121 $ / ft²
Kent, IL122 $ / ft²
Lanark, IL46 $ / ft²
Hanover, IL134 $ / ft²
German Valley, IL58 $ / ft²
Garden Prairie, IL132 $ / ft²
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