Based on information submitted to the MLS GRID as of 2026-08-24 18:11:47 UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Arnold, MO community profile
Population
21,528
Median income
$73,824
Housing units
9,102
People per sq. mi.
1,001.3
Area
21.5 sq. mi.
Source: HJN community data
Arnold housing market
August 2026
Homes that sold · County records, as of Aug 24, 2026
Median sale price
$262,600$226,707–$324,538 typical range
Price per sq. ft.
$253
Sales
27
Paid in cash
0.0%
Homes on the market · MLS, as of Aug 31, 2026
Median list price
$300,000
Homes for sale
33
Median days on market
11 days
Price trend · Assessor repeat sales, as of Aug 31, 2026
Year-over-year
-8.6%
Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026
22
