Market Overview
Home Prices in Trenton, IL
The median home value in Trenton, IL is $209,117 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 3.6% compared to a year ago and up 5.4% from two years prior.
Compared to the U.S. national median of $410,000, homes in Trenton are priced49% below average. Trenton is part of the St. Louis, MO-IL metro area.
Over the past five years, Trenton home values have risen by approximately28.9%, reflecting strong long-term appreciation in this market.
Price History
Trenton Home Price Trend
City Comparison
Trenton vs. National Median
At $209,117, homes in Trenton cost 49% below the national median of $410,000. This makes Trenton a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Trenton?
20% Down Payment
$41,823
on $209,117
Monthly P&I
$1,091/mo
30-yr @ 6.8%
Total Monthly Est.
~$1,386/mo
incl. taxes & insurance
Income Needed
$55,440
gross annual (30% rule)
10% Down Option
$20,912
+ PMI applies
Loan Amount (20% dn)
$167,294
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Trenton, IL?
The median home value in Trenton is $209,117 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 3.6% year-over-year.
How much have home prices changed in Trenton?
Over the past year, home values in Trenton have increased by 3.6%. Over five years, prices have risen approximately 28.9%.
How much do I need to earn to buy a home in Trenton?
To comfortably afford the median home price of $209,117 with a 20% down payment ($41,823) at today's rates (6.8%), you'd need a gross annual income of approximately $55,440. This assumes keeping total housing costs at or below 30% of gross income.
How does Trenton compare to the national average home price?
The national median home value is approximately $410,000. At $209,117, homes in Trenton are 49% below the national average.
What metro area is Trenton part of?
Trenton is part of the St. Louis, MO-IL metropolitan area. Home prices and market conditions can vary across the broader metro region.