Market Overview
Home Prices in Thornton, IL
The median home value in Thornton, IL is $187,046 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 3.9% compared to a year ago and down 0.3% from two years prior.
Compared to the U.S. national median of $410,000, homes in Thornton are priced54% below average. Thornton is part of the Chicago-Naperville-Elgin, IL-IN-WI metro area.
Over the past five years, Thornton home values have risen by approximately25.3%, reflecting strong long-term appreciation in this market.
Price History
Thornton Home Price Trend
City Comparison
Thornton vs. National Median
At $187,046, homes in Thornton cost 54% below the national median of $410,000. This makes Thornton a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Thornton?
20% Down Payment
$37,409
on $187,046
Monthly P&I
$976/mo
30-yr @ 6.8%
Total Monthly Est.
~$1,240/mo
incl. taxes & insurance
Income Needed
$49,600
gross annual (30% rule)
10% Down Option
$18,705
+ PMI applies
Loan Amount (20% dn)
$149,637
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 Thornton, IL?
The median home value in Thornton is $187,046 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 3.9% year-over-year.
How much have home prices changed in Thornton?
Over the past year, home values in Thornton have increased by 3.9%. Over five years, prices have risen approximately 25.3%.
How much do I need to earn to buy a home in Thornton?
To comfortably afford the median home price of $187,046 with a 20% down payment ($37,409) at today's rates (6.8%), you'd need a gross annual income of approximately $49,600. This assumes keeping total housing costs at or below 30% of gross income.
How does Thornton compare to the national average home price?
The national median home value is approximately $410,000. At $187,046, homes in Thornton are 54% below the national average.
What metro area is Thornton part of?
Thornton is part of the Chicago-Naperville-Elgin, IL-IN-WI metropolitan area. Home prices and market conditions can vary across the broader metro region.