House Prices

House Prices & Home Values Monmouth, IL 2026


Average Data

average house price$100,856
average size per house1418 ft²
average price per ft²72 $ / ft²

06/14/2026 - The value range (VR) for house prices in Monmouth, IL is $71/ sqft to $71/ sqft. An average home with 1418 sqft costs approximately $100,678 to $100,678. Monmouth, IL includes 1 ZIP codes and it is located in Warren county. The lowest prices are found in ZIP 61462, while the highest are in ZIP 61462. The average price per sqare feet is $72. Our analysis is based on 9 property listings.

Avergage prices by ZIP codes Monmouth

6146277 $ / ft²




Historical development of home values in Monmouth

Year Estimated value (USD) Change vs. 2025
2010 $46,839 -53.6%
2011 $45,028 -55.4%
2012 $44,907 -55.5%
2013 $46,585 -53.8%
2014 $48,902 -51.5%
2015 $51,412 -49.0%
2016 $54,095 -46.4%
2017 $57,014 -43.5%
2018 $60,166 -40.3%
2019 $62,956 -37.6%
2020 $66,211 -34.4%
2021 $75,308 -25.3%
2022 $87,792 -13.0%
2023 $92,580 -8.2%
2024 $97,936 -2.9%
2025 $100,856 0.0%

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



Example: 100% financing house in Monmouth

Loan amount: $100,856

Interest rate: 6.00%

Fixed monthly payment: $604.68

Breakdown in the 1st month:
Interest portion: $504.28  –  Principal portion: $100.40

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $6,017.67 $1,238.52 $99,617.48
2 $5,941.28 $1,314.91 $98,302.56
3 $5,860.18 $1,396.01 $96,906.55
4 $5,774.08 $1,482.12 $95,424.43
5 $5,682.66 $1,573.53 $93,850.90
6 $5,585.61 $1,670.58 $92,180.32
7 $5,482.57 $1,773.62 $90,406.70
8 $5,373.18 $1,883.01 $88,523.69
9 $5,257.04 $1,999.15 $86,524.53
10 $5,133.74 $2,122.46 $84,402.07
11 $5,002.83 $2,253.37 $82,148.71
12 $4,863.84 $2,392.35 $79,756.36
13 $4,716.29 $2,539.90 $77,216.46
14 $4,559.63 $2,696.56 $74,519.90
15 $4,393.32 $2,862.88 $71,657.02
16 $4,216.74 $3,039.45 $68,617.57
17 $4,029.27 $3,226.92 $65,390.65
18 $3,830.24 $3,425.95 $61,964.70
19 $3,618.94 $3,637.25 $58,327.45
20 $3,394.60 $3,861.59 $54,465.86
21 $3,156.43 $4,099.77 $50,366.09
22 $2,903.56 $4,352.63 $46,013.46
23 $2,635.10 $4,621.09 $41,392.37
24 $2,350.08 $4,906.11 $36,486.26
25 $2,047.48 $5,208.71 $31,277.55
26 $1,726.22 $5,529.97 $25,747.58
27 $1,385.15 $5,871.05 $19,876.53
28 $1,023.03 $6,233.16 $13,643.37
29 $638.58 $6,617.61 $7,025.77
30 $230.43 $7,025.77 $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 Monmouth, IL


1500 sqft3900 sqft
Ø selling price$130,681$277,992
Ø fast selling$118,801$250,193
Ø high price sale$142,560$305,792

In 2026, houses in Monmouth, IL will be offered at an average price of $72 per square foot. A 1,500 sqft home priced at $130,681 is 24.70% more expensive per square foot than a 3,900 sqft home priced at $277,992. Home prices in Monmouth, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $192,457. Sellers who can wait longer may achieve a higher price of up to $235,225.

FAQ – Home Values in Monmouth

What is the median home value in Monmouth in 2026?

In 2026, the typical home value in Monmouth is about $100,856 for an average home size of 1418 square feet. This corresponds to an average price of roughly $72 per square foot.

What is the average cost per square foot in Monmouth?

In 2026, homes in Monmouth sell for an average of around $72 per square foot, with a typical range between $71 and $71 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 Monmouth is about 1418 square feet, with an estimated 2026 value around $100,856.



Locations close to Monmouth, IL

New Windsor, IL65 $ / ft²
North Henderson, IL89 $ / ft²
Oneida, IL46 $ / ft²
Media, IL75 $ / ft²
Marietta, IL97 $ / ft²
Maquon, IL71 $ / ft²
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