Market Overview
Home Prices in Grafton, IL
The median home value in Grafton, IL is $274,185 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 4.4% compared to a year ago and up 2% from two years prior.
Compared to the U.S. national median of $410,000, homes in Grafton are priced33% below average. Grafton is part of the St. Louis, MO-IL metro area.
Over the past five years, Grafton home values have risen by approximately13.9%, reflecting steady appreciation in this market.
Price History
Grafton Home Price Trend
City Comparison
Grafton vs. National Median
At $274,185, homes in Grafton cost 33% below the national median of $410,000. This makes Grafton a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Grafton?
20% Down Payment
$54,837
on $274,185
Monthly P&I
$1,430/mo
30-yr @ 6.8%
Total Monthly Est.
~$1,816/mo
incl. taxes & insurance
Income Needed
$72,640
gross annual (30% rule)
10% Down Option
$27,419
+ PMI applies
Loan Amount (20% dn)
$219,348
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 Grafton, IL?
The median home value in Grafton is $274,185 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 4.4% year-over-year.
How much have home prices changed in Grafton?
Over the past year, home values in Grafton have increased by 4.4%. Over five years, prices have risen approximately 13.9%.
How much do I need to earn to buy a home in Grafton?
To comfortably afford the median home price of $274,185 with a 20% down payment ($54,837) at today's rates (6.8%), you'd need a gross annual income of approximately $72,640. This assumes keeping total housing costs at or below 30% of gross income.
How does Grafton compare to the national average home price?
The national median home value is approximately $410,000. At $274,185, homes in Grafton are 33% below the national average.
What metro area is Grafton part of?
Grafton is part of the St. Louis, MO-IL metropolitan area. Home prices and market conditions can vary across the broader metro region.