📍 West Alton, MO · Zillow ZHVI · July 2026

Average Home Price in
West Alton, MO

St. Louis, MO-IL metro area · Saint Charles County County

Median Home Value
$193,315
↓ 13.6% year-over-year
vs. National Median
$410,000
West Alton is 53% below
Est. Monthly Payment
$1,008/mo
20% down · 6.8% rate
Income Needed
$51K
gross annual (30% rule)
Median Home Value
$193,315
↓ 13.6% year-over-year

Down Payment (20%)$38,663
Monthly P&I$1,008/mo
With Taxes & Ins.~$1,280/mo
Income Needed$51,200/yr
Data SourceZillow ZHVI
Market Overview

Home Prices in West Alton, MO

The median home value in West Alton, MO is $193,315 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's down 13.6% compared to a year ago and down 0.6% from two years prior.

Compared to the U.S. national median of $410,000, homes in West Alton are priced53% below average. West Alton is part of the St. Louis, MO-IL metro area.

Over the past five years, West Alton home values have risen by approximately7.9%, reflecting steady appreciation in this market.

City Comparison

West Alton vs. National Median

🏠 West Alton
$193,315
National Median
$410,000

At $193,315, homes in West Alton cost 53% below the national median of $410,000. This makes West Alton a relatively affordable market for buyers seeking value.

Affordability

What Does It Cost to Buy in West Alton?

20% Down Payment
$38,663
on $193,315
Monthly P&I
$1,008/mo
30-yr @ 6.8%
Total Monthly Est.
~$1,280/mo
incl. taxes & insurance
Income Needed
$51,200
gross annual (30% rule)
10% Down Option
$19,332
+ PMI applies
Loan Amount (20% dn)
$154,652
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 West Alton, MO?
The median home value in West Alton is $193,315 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's down 13.6% year-over-year.
How much have home prices changed in West Alton?
Over the past year, home values in West Alton have decreased by 13.6%. Over five years, prices have risen approximately 7.9%.
How much do I need to earn to buy a home in West Alton?
To comfortably afford the median home price of $193,315 with a 20% down payment ($38,663) at today's rates (6.8%), you'd need a gross annual income of approximately $51,200. This assumes keeping total housing costs at or below 30% of gross income.
How does West Alton compare to the national average home price?
The national median home value is approximately $410,000. At $193,315, homes in West Alton are 53% below the national average.
What metro area is West Alton part of?
West Alton is part of the St. Louis, MO-IL metropolitan area. Home prices and market conditions can vary across the broader metro region.