House Prices

House Prices & Home Values Ottawa, IL 2026


Average Data

average house price$254,145
average size per house1372 ft²
average price per ft²186 $ / ft²

04/04/2026 - The value range (VR) for house prices in Ottawa, IL is $179/ sqft to $179/ sqft. An average home with 1372 sqft costs approximately $245,588 to $245,588. Ottawa, IL includes 1 ZIP codes and it is located in LaSalle county. The lowest prices are found in ZIP 61350, while the highest are in ZIP 61350. The average price per sqare feet is $186. Our analysis is based on 11 property listings.

Avergage prices by ZIP codes Ottawa

61350170 $ / ft²




Historical development of home values in Ottawa

Year Estimated value (USD) Change vs. 2025
2010 $118,030 -53.6%
2011 $113,465 -55.4%
2012 $113,160 -55.5%
2013 $117,389 -53.8%
2014 $123,227 -51.5%
2015 $129,551 -49.0%
2016 $136,312 -46.4%
2017 $143,669 -43.5%
2018 $151,612 -40.3%
2019 $158,642 -37.6%
2020 $166,843 -34.4%
2021 $189,766 -25.3%
2022 $221,224 -13.0%
2023 $233,291 -8.2%
2024 $246,788 -2.9%
2025 $254,145 0.0%

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



Example: 100% financing house in Ottawa

Loan amount: $254,145

Interest rate: 6.00%

Fixed monthly payment: $1,523.73

Breakdown in the 1st month:
Interest portion: $1,270.73  –  Principal portion: $253.00

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $15,163.80 $3,120.93 $251,024.07
2 $14,971.31 $3,313.42 $247,710.65
3 $14,766.95 $3,517.79 $244,192.86
4 $14,549.98 $3,734.76 $240,458.10
5 $14,319.62 $3,965.11 $236,493.00
6 $14,075.06 $4,209.67 $232,283.33
7 $13,815.42 $4,469.31 $227,814.02
8 $13,539.76 $4,744.97 $223,069.05
9 $13,247.11 $5,037.63 $218,031.42
10 $12,936.40 $5,348.34 $212,683.09
11 $12,606.52 $5,678.21 $207,004.88
12 $12,256.30 $6,028.43 $200,976.45
13 $11,884.48 $6,400.25 $194,576.19
14 $11,489.73 $6,795.00 $187,781.19
15 $11,070.63 $7,214.10 $180,567.09
16 $10,625.68 $7,659.06 $172,908.03
17 $10,153.28 $8,131.45 $164,776.58
18 $9,651.75 $8,632.98 $156,143.60
19 $9,119.29 $9,165.44 $146,978.16
20 $8,553.99 $9,730.75 $137,247.41
21 $7,953.81 $10,330.92 $126,916.50
22 $7,316.63 $10,968.11 $115,948.39
23 $6,640.14 $11,644.59 $104,303.80
24 $5,921.92 $12,362.81 $91,940.99
25 $5,159.41 $13,125.32 $78,815.67
26 $4,349.87 $13,934.86 $64,880.81
27 $3,490.40 $14,794.33 $50,086.48
28 $2,577.92 $15,706.81 $34,379.66
29 $1,609.16 $16,675.58 $17,704.09
30 $580.64 $17,704.09 $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 Ottawa, IL


1500 sqft3900 sqft
Ø selling price$337,590$718,146
Ø fast selling$306,900$646,332
Ø high price sale$368,281$789,961

In 2026, houses in Ottawa, IL will be offered at an average price of $186 per square foot. A 1,500 sqft home priced at $337,590 is 21.76% more expensive per square foot than a 3,900 sqft home priced at $718,146. Home prices in Ottawa, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $497,179. Sellers who can wait longer may achieve a higher price of up to $607,662.

FAQ – Home Values in Ottawa

What is the median home value in Ottawa in 2026?

In 2026, the typical home value in Ottawa is about $254,145 for an average home size of 1372 square feet. This corresponds to an average price of roughly $186 per square foot.

What is the average cost per square foot in Ottawa?

In 2026, homes in Ottawa sell for an average of around $186 per square foot, with a typical range between $179 and $179 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 Ottawa is about 1372 square feet, with an estimated 2026 value around $254,145.



Locations close to Ottawa, IL

Paw Paw, IL69 $ / ft²
Peru, IL66 $ / ft²
Princeton, IL71 $ / ft²
Ohio, IL45 $ / ft²
Oglesby, IL78 $ / ft²
New Bedford, IL122 $ / ft²
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