Market Overview
Home Prices in Harristown, IL
The median home value in Harristown, IL is $135,108 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 5.8% compared to a year ago and up 4% from two years prior.
Compared to the U.S. national median of $410,000, homes in Harristown are priced67% below average. Harristown is part of the Decatur, IL metro area.
Over the past five years, Harristown home values have risen by approximately30.2%, reflecting strong long-term appreciation in this market.
Price History
Harristown Home Price Trend
City Comparison
Harristown vs. National Median
At $135,108, homes in Harristown cost 67% below the national median of $410,000. This makes Harristown a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Harristown?
20% Down Payment
$27,022
on $135,108
Monthly P&I
$705/mo
30-yr @ 6.8%
Total Monthly Est.
~$895/mo
incl. taxes & insurance
Income Needed
$35,800
gross annual (30% rule)
10% Down Option
$13,511
+ PMI applies
Loan Amount (20% dn)
$108,086
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 Harristown, IL?
The median home value in Harristown is $135,108 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 5.8% year-over-year.
How much have home prices changed in Harristown?
Over the past year, home values in Harristown have increased by 5.8%. Over five years, prices have risen approximately 30.2%.
How much do I need to earn to buy a home in Harristown?
To comfortably afford the median home price of $135,108 with a 20% down payment ($27,022) at today's rates (6.8%), you'd need a gross annual income of approximately $35,800. This assumes keeping total housing costs at or below 30% of gross income.
How does Harristown compare to the national average home price?
The national median home value is approximately $410,000. At $135,108, homes in Harristown are 67% below the national average.
What metro area is Harristown part of?
Harristown is part of the Decatur, IL metropolitan area. Home prices and market conditions can vary across the broader metro region.