The Unshakable Investor

Unshakable ZIP Data 62258 | Mascoutah, IL Housing Market

Mascoutah · Saint Clair County · St. Louis, MO-IL metro · Illinois · Data updated June 19, 2026

The median sale price in ZIP 62258, Mascoutah, Illinois is $283,083 at $151 per square foot. 39 single-family homes sold in the latest period, down 4.6 percent from a year earlier. Homes sit a median of 38 days on market with 2.7 months of supply. Sellers are getting 99.8 percent of list price and 31.6 percent of homes sold above asking.

Balanced market.

Value anchors

MetricValueYear over year
Average single-family value$265,614
Average price per sq ft$142
Median sale price$283,083
Median sale price per sq ft$151
Median home size1,870 sq ft
Median new listing price$282,584+0.9%
National size rank9,729

Sales activity

MetricValueYear over year
Homes sold39-4.6%
Median days on market38 days
Months of supply2.7 months
New listings54+19.6%
Active listings79+16.2%
Pending sales52-4.3%

Pricing power

MetricValueYear over year
Average sale-to-list ratio99.8%+0.1 pts
Share sold above list31.6%-22.1 pts

Bedroom value anchors

Average values by bedroom count. Value anchors for orientation, not appraisals.

2-bedroom
$175,289
3-bedroom
$277,151
4-bedroom
$345,841

These figures describe the single-family market for Mascoutah, Illinois ZIP 62258. They are market context, not a substitute for sold comps or a formal appraisal.