Market Overview
Home Prices in Johnston, IA
The median home value in Johnston, IA is $403,139 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 0.6% compared to a year ago and up 1.6% from two years prior.
Compared to the U.S. national median of $410,000, homes in Johnston are priced2% below average. Johnston is part of the Des Moines-West Des Moines, IA metro area.
Over the past five years, Johnston home values have risen by approximately20.8%, reflecting strong long-term appreciation in this market.
Price History
Johnston Home Price Trend
City Comparison
Johnston vs. National Median
At $403,139, homes in Johnston cost 2% below the national median of $410,000. This makes Johnston a relatively affordable market for buyers seeking value.
Affordability
What Does It Cost to Buy in Johnston?
20% Down Payment
$80,628
on $403,139
Monthly P&I
$2,103/mo
30-yr @ 6.8%
Total Monthly Est.
~$2,671/mo
incl. taxes & insurance
Income Needed
$106,840
gross annual (30% rule)
10% Down Option
$40,314
+ PMI applies
Loan Amount (20% dn)
$322,511
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, IA?
The median home value in Johnston is $403,139 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 0.6% year-over-year.
How much have home prices changed in Johnston?
Over the past year, home values in Johnston have increased by 0.6%. Over five years, prices have risen approximately 20.8%.
How much do I need to earn to buy a home in Johnston?
To comfortably afford the median home price of $403,139 with a 20% down payment ($80,628) at today's rates (6.8%), you'd need a gross annual income of approximately $106,840. This assumes keeping total housing costs at or below 30% of gross income.
How does Johnston compare to the national average home price?
The national median home value is approximately $410,000. At $403,139, homes in Johnston are 2% below the national average.
What metro area is Johnston part of?
Johnston is part of the Des Moines-West Des Moines, IA metropolitan area. Home prices and market conditions can vary across the broader metro region.