House Prices

House Prices & Home Values Trenton, IL 2026


Average Data

average house price$249,854
average size per house2467 ft²
average price per ft²102 $ / ft²

04/21/2026 - The value range (VR) for house prices in Trenton, IL is $101/ sqft to $101/ sqft. An average home with 2467 sqft costs approximately $249,167 to $249,167. Trenton, IL includes 1 ZIP codes and it is located in St. Clair county. The lowest prices are found in ZIP 62293, while the highest are in ZIP 62293. The average price per sqare feet is $102. Our analysis is based on 14 property listings.

Avergage prices by ZIP codes Trenton

62293101 $ / ft²




Historical development of home values in Trenton

Year Estimated value (USD) Change vs. 2025
2010 $116,037 -53.6%
2011 $111,550 -55.4%
2012 $111,249 -55.5%
2013 $115,407 -53.8%
2014 $121,146 -51.5%
2015 $127,364 -49.0%
2016 $134,010 -46.4%
2017 $141,243 -43.5%
2018 $149,052 -40.3%
2019 $155,963 -37.6%
2020 $164,026 -34.4%
2021 $186,562 -25.3%
2022 $217,489 -13.0%
2023 $229,353 -8.2%
2024 $242,621 -2.9%
2025 $249,854 0.0%

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



Example: 100% financing house in Trenton

Loan amount: $249,854

Interest rate: 6.00%

Fixed monthly payment: $1,498.00

Breakdown in the 1st month:
Interest portion: $1,249.27  â€“  Principal portion: $248.73

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $14,907.78 $3,068.24 $246,785.76
2 $14,718.53 $3,257.48 $243,528.29
3 $14,517.62 $3,458.39 $240,069.89
4 $14,304.31 $3,671.70 $236,398.19
5 $14,077.85 $3,898.16 $232,500.03
6 $13,837.42 $4,138.59 $228,361.44
7 $13,582.16 $4,393.85 $223,967.59
8 $13,311.16 $4,664.85 $219,302.74
9 $13,023.44 $4,952.57 $214,350.17
10 $12,717.98 $5,258.04 $209,092.13
11 $12,393.67 $5,582.34 $203,509.79
12 $12,049.37 $5,926.65 $197,583.15
13 $11,683.82 $6,292.19 $191,290.96
14 $11,295.73 $6,680.28 $184,610.68
15 $10,883.71 $7,092.30 $177,518.38
16 $10,446.27 $7,529.74 $169,988.64
17 $9,981.85 $7,994.16 $161,994.48
18 $9,488.79 $8,487.22 $153,507.26
19 $8,965.32 $9,010.69 $144,496.57
20 $8,409.56 $9,566.45 $134,930.12
21 $7,819.52 $10,156.49 $124,773.63
22 $7,193.09 $10,782.92 $113,990.71
23 $6,528.02 $11,447.99 $102,542.72
24 $5,821.94 $12,154.07 $90,388.65
25 $5,072.30 $12,903.71 $77,484.94
26 $4,276.43 $13,699.58 $63,785.36
27 $3,431.47 $14,544.54 $49,240.81
28 $2,534.39 $15,441.62 $33,799.20
29 $1,581.99 $16,394.02 $17,405.17
30 $570.84 $17,405.17 $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 Trenton, IL


1500 sqft3900 sqft
Ø selling price$185,131$393,823
Ø fast selling$168,300$354,440
Ø high price sale$201,961$433,205

In 2026, houses in Trenton, IL will be offered at an average price of $102 per square foot. A 1,500 sqft home priced at $185,131 is 23.00% more expensive per square foot than a 3,900 sqft home priced at $393,823. Home prices in Trenton, IL vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $272,646. Sellers who can wait longer may achieve a higher price of up to $333,234.


Discover Trenton, IL

Located in Clinton County, Trenton, IL is a welcoming small city in the Metro East region just a short drive from St. Louis.
With convenient access along U.S. Route 50, Trenton, Illinois blends small?town charm with practical connectivity for commuters and visitors.

Community and Lifestyle

Residents enjoy safe, tree?lined neighborhoods, local shops and cafés, and a calendar of community events that showcase Midwestern hospitality.
Downtown features well?kept storefronts and everyday services that make running errands simple and stress?free.

Education and Services

Families appreciate the strong local schools served by Wesclin Community Unit School District and resources like the Trenton Public Library.
City parks support youth sports, playground fun, and year?round recreation for all ages.

Outdoor Recreation

Outdoor lovers are minutes from Carlyle Lake for boating, fishing, and bird?watching, while Trenton Community Park offers fields, shelters, and walking paths.
Its location also makes quick trips to Metro East and St. Louis attractions easy, from museums to professional sports.

Economy and Housing

The local economy combines small businesses, agriculture, and light industry, creating steady opportunities close to home.
Affordable real estate, from classic single?family homes to newer builds, makes Trenton, IL appealing for homebuyers seeking value and convenience.



FAQ – Home Values in Trenton

What is the median home value in Trenton in 2026?

In 2026, the typical home value in Trenton is about $249,854 for an average home size of 2467 square feet. This corresponds to an average price of roughly $102 per square foot.

What is the average cost per square foot in Trenton?

In 2026, homes in Trenton sell for an average of around $102 per square foot, with a typical range between $101 and $101 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 Trenton is about 2467 square feet, with an estimated 2026 value around $249,854.



Locations close to Trenton, IL

Troy, IL162 $ / ft²
Valmeyer, IL85 $ / ft²
Walsh, IL92 $ / ft²
Tilden, IL43 $ / ft²
Summerfield, IL57 $ / ft²
Steeleville, IL75 $ / ft²
  imprint  Privacy