House Prices

House Prices & Home Values Island Lake, IL 2026


Average Data

average house price$272,486
average size per house2140 ft²
average price per ft²128 $ / ft²

04/19/2026 - The value range (VR) for house prices in Island Lake, IL is $124/ sqft to $124/ sqft. An average home with 2140 sqft costs approximately $265,360 to $265,360. Island Lake, IL includes 1 ZIP codes and it is located in McHenry county. The lowest prices are found in ZIP 60042, while the highest are in ZIP 60042. The average price per sqare feet is $128. Our analysis is based on 14 property listings.

Avergage prices by ZIP codes Island Lake

60042122 $ / ft²




Historical development of home values in Island Lake

Year Estimated value (USD) Change vs. 2025
2010 $126,547 -53.6%
2011 $121,654 -55.4%
2012 $121,326 -55.5%
2013 $125,861 -53.8%
2014 $132,120 -51.5%
2015 $138,900 -49.0%
2016 $146,149 -46.4%
2017 $154,037 -43.5%
2018 $162,553 -40.3%
2019 $170,091 -37.6%
2020 $178,884 -34.4%
2021 $203,461 -25.3%
2022 $237,190 -13.0%
2023 $250,127 -8.2%
2024 $264,598 -2.9%
2025 $272,486 0.0%

Graph: estimated home values in Island Lake over time (USD)



Example: 100% financing house in Island Lake

Loan amount: $272,486

Interest rate: 6.00%

Fixed monthly payment: $1,633.69

Breakdown in the 1st month:
Interest portion: $1,362.43  –  Principal portion: $271.26

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $16,258.13 $3,346.16 $269,139.84
2 $16,051.75 $3,552.54 $265,587.30
3 $15,832.64 $3,771.66 $261,815.64
4 $15,600.01 $4,004.28 $257,811.35
5 $15,353.03 $4,251.26 $253,560.09
6 $15,090.83 $4,513.47 $249,046.63
7 $14,812.45 $4,791.85 $244,254.78
8 $14,516.89 $5,087.40 $239,167.38
9 $14,203.12 $5,401.18 $233,766.20
10 $13,869.98 $5,734.31 $228,031.88
11 $13,516.30 $6,087.99 $221,943.89
12 $13,140.81 $6,463.49 $215,480.41
13 $12,742.15 $6,862.14 $208,618.26
14 $12,318.91 $7,285.38 $201,332.88
15 $11,869.57 $7,734.73 $193,598.15
16 $11,392.51 $8,211.79 $185,386.36
17 $10,886.02 $8,718.27 $176,668.09
18 $10,348.30 $9,256.00 $167,412.09
19 $9,777.41 $9,826.89 $157,585.20
20 $9,171.31 $10,432.99 $147,152.21
21 $8,527.82 $11,076.47 $136,075.74
22 $7,844.65 $11,759.65 $124,316.09
23 $7,119.34 $12,484.96 $111,831.14
24 $6,349.29 $13,255.00 $98,576.14
25 $5,531.76 $14,072.54 $84,503.60
26 $4,663.79 $14,940.50 $69,563.09
27 $3,742.29 $15,862.00 $53,701.09
28 $2,763.96 $16,840.33 $36,860.76
29 $1,725.29 $17,879.01 $18,981.75
30 $622.55 $18,981.75 $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 Island Lake, IL


1500 sqft3900 sqft
Ø selling price$232,321$494,209
Ø fast selling$211,201$444,788
Ø high price sale$253,441$543,629

In 2026, houses in Island Lake, IL will be offered at an average price of $128 per square foot. A 1,500 sqft home priced at $232,321 is 22.59% more expensive per square foot than a 3,900 sqft home priced at $494,209. Home prices in Island Lake, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $342,144. Sellers who can wait longer may achieve a higher price of up to $418,177.

FAQ – Home Values in Island Lake

What is the median home value in Island Lake in 2026?

In 2026, the typical home value in Island Lake is about $272,486 for an average home size of 2140 square feet. This corresponds to an average price of roughly $128 per square foot.

What is the average cost per square foot in Island Lake?

In 2026, homes in Island Lake sell for an average of around $128 per square foot, with a typical range between $124 and $124 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 Island Lake is about 2140 square feet, with an estimated 2026 value around $272,486.



Locations close to Island Lake, IL

Kenilworth, IL452 $ / ft²
Lake Bluff, IL256 $ / ft²
Lake Forest, IL298 $ / ft²
Ingleside, IL133 $ / ft²
Highwood, IL232 $ / ft²
Highland Park, IL238 $ / ft²
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