📍 Johnston City, IL · Zillow ZHVI · July 2026

Average Home Price in
Johnston City, IL

Carbondale-Marion, IL metro area · Williamson County County

Median Home Value
$112,838
↑ 0.3% year-over-year
vs. National Median
$410,000
Johnston City is 72% below
Est. Monthly Payment
$588/mo
20% down · 6.8% rate
Income Needed
$30K
gross annual (30% rule)
Median Home Value
$112,838
↑ 0.3% year-over-year

Down Payment (20%)$22,568
Monthly P&I$588/mo
With Taxes & Ins.~$747/mo
Income Needed$29,880/yr
Data SourceZillow ZHVI
Market Overview

Home Prices in Johnston City, IL

The median home value in Johnston City, IL is $112,838 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 0.3% compared to a year ago and down 1% from two years prior.

Compared to the U.S. national median of $410,000, homes in Johnston City are priced72% below average. Johnston City is part of the Carbondale-Marion, IL metro area.

Over the past five years, Johnston City home values have risen by approximately5.8%, reflecting steady appreciation in this market.

City Comparison

Johnston City vs. National Median

🏠 Johnston City
$112,838
National Median
$410,000

At $112,838, homes in Johnston City cost 72% below the national median of $410,000. This makes Johnston City a relatively affordable market for buyers seeking value.

Affordability

What Does It Cost to Buy in Johnston City?

20% Down Payment
$22,568
on $112,838
Monthly P&I
$588/mo
30-yr @ 6.8%
Total Monthly Est.
~$747/mo
incl. taxes & insurance
Income Needed
$29,880
gross annual (30% rule)
10% Down Option
$11,284
+ PMI applies
Loan Amount (20% dn)
$90,270
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 Johnston City, IL?
The median home value in Johnston City is $112,838 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 0.3% year-over-year.
How much have home prices changed in Johnston City?
Over the past year, home values in Johnston City have increased by 0.3%. Over five years, prices have risen approximately 5.8%.
How much do I need to earn to buy a home in Johnston City?
To comfortably afford the median home price of $112,838 with a 20% down payment ($22,568) at today's rates (6.8%), you'd need a gross annual income of approximately $29,880. This assumes keeping total housing costs at or below 30% of gross income.
How does Johnston City compare to the national average home price?
The national median home value is approximately $410,000. At $112,838, homes in Johnston City are 72% below the national average.
What metro area is Johnston City part of?
Johnston City is part of the Carbondale-Marion, IL metropolitan area. Home prices and market conditions can vary across the broader metro region.