Market Overview
Home Prices in Troy, IL
The median home value in Troy, IL is $337,915 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 5.4% compared to a year ago and up 5% from two years prior.
Compared to the U.S. national median of $410,000, homes in Troy are priced18% below average. Troy is part of the St. Louis, MO-IL metro area.
Over the past five years, Troy home values have risen by approximately32.0%, reflecting strong long-term appreciation in this market.
Price History
Troy Home Price Trend
2020
$222,363
$222K
—
2021
$256,059
$256K
+15.2%
2022
$283,169
$283K
+10.6%
2023
$288,229
$288K
+1.8%
2024
$305,561
$306K
+6.0%
2025
$320,705
$321K
+5.0%
2026
$337,915
$338K
+5.4%
City Comparison
Troy vs. National Median
🏠 Troy
$337,915
National Median
$410,000
At $337,915, homes in Troy cost 18% below the national median of $410,000. This makes Troy a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Troy?
20% Down Payment
$67,583
on $337,915
Monthly P&I
$1,762/mo
30-yr @ 6.8%
Total Monthly Est.
~$2,238/mo
incl. taxes & insurance
Income Needed
$89,520
gross annual (30% rule)
10% Down Option
$33,792
+ PMI applies
Loan Amount (20% dn)
$270,332
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 Troy, IL?
The median home value in Troy is $337,915 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 5.4% year-over-year.
How much have home prices changed in Troy?
Over the past year, home values in Troy have increased by 5.4%. Over five years, prices have risen approximately 32.0%.
How much do I need to earn to buy a home in Troy?
To comfortably afford the median home price of $337,915 with a 20% down payment ($67,583) at today's rates (6.8%), you'd need a gross annual income of approximately $89,520. This assumes keeping total housing costs at or below 30% of gross income.
How does Troy compare to the national average home price?
The national median home value is approximately $410,000. At $337,915, homes in Troy are 18% below the national average.
What metro area is Troy part of?
Troy is part of the St. Louis, MO-IL metropolitan area. Home prices and market conditions can vary across the broader metro region.