The Unshakable Investor

Unshakable ZIP Data 62951 | Johnston City, IL Housing Market

Johnston City · Williamson County · Carbondale-Marion, IL metro · Illinois · Data updated June 19, 2026

The median sale price in ZIP 62951, Johnston City, Illinois is $154,454 at $118 per square foot. 12 single-family homes sold in the latest period, down 22.8 percent from a year earlier. Homes sit a median of 45 days on market with 4.5 months of supply. Sellers are getting 99.0 percent of list price and 25.0 percent of homes sold above asking.

Balanced market.

Value anchors

MetricValueYear over year
Average single-family value$107,565
Average price per sq ft$82
Median sale price$154,454
Median sale price per sq ft$118
Median home size1,313 sq ft
Median new listing price$186,307+18.7%
National size rank13,789

Sales activity

MetricValueYear over year
Homes sold12-22.8%
Median days on market45 days
Months of supply4.5 months
New listings23+16.8%
Active listings29-13.6%
Pending sales18+7.3%

Pricing power

MetricValueYear over year
Average sale-to-list ratio99.0%+5.5 pts
Share sold above list25.0%+6.3 pts

These figures describe the single-family market for Johnston City, Illinois ZIP 62951. They are market context, not a substitute for sold comps or a formal appraisal.