👥

Population

20,884

🎂

Median Age

39.9 yrs

💰

Median Income

$75,194

🏠

Median Home Price

$209,700

Tucked along the Meramec River in Jefferson County, Arnold, Missouri sits just 20 miles south of St. Louis — close enough to enjoy big-city amenities, far enough to feel like a genuine community. If you've been eyeing the suburbs as your next home base, Arnold deserves a serious look. It's a city that's easy to…

🏠 Housing & Cost of Living

Median Home Price

$209,700

Median Rent

$1,085

Homeownership Rate

79.6%

💼 Employment & Economy

Unemployment Rate

4.2%

Arnold Resources

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Quick Facts

Population
20,884
Diversity Index
9.1
Land Area
11.5 sq mi
Population Density
1,812/sq mi

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