HomeMissouri › Arnold

Arnold, Missouri

City · Population 21,036 · #35 in Missouri
Arnold, Missouri

Arnold is a city in northeastern Jefferson County, Missouri, situated near the confluence of the Meramec and Mississippi rivers. A suburb of St.

Photo & intro: Wikipedia

About Arnold

Set in the eastern part of Missouri, Arnold is a close-knit town, home to 21,036 residents as of the latest Census estimates.

Officially, Arnold is an incorporated city with its own municipal government. The community covers 11.53 square miles, giving it a balanced suburban layout with room to breathe at roughly 1,824 residents per square mile.

What Makes Arnold Unique

  • One of 5 places in the US named Arnold — but the Missouri one has a character all its own.
  • Positioned in eastern Missouri, convenient to the region's corridors and crossings.
  • Part of the fabric of Missouri — one of 1,082 recognized communities statewide.

Why People Love It Here

  • The sweet spot: real amenities without big-city congestion.
  • Local businesses and schools anchored by a stable resident base of 21,036.
  • Well connected: 3+ neighboring communities within 6 miles.

📍 Neighborhoods in Arnold

Click a neighborhood to see it on the map.

🍽️ Where to Eat in Arnold

  • Applebee's — american
  • Cecil Whittaker's Pizzeria — pizza
  • Chili's — tex-mex
  • China King — chinese
  • Coco's Coffeehouse & Cafe (café)
  • Denny's — american
  • Honey Bee Tea — bubble tea (café)
  • Hotshots Sports Bar and Grill — burger
  • Las Fuentes — mexican
  • McAlister's Deli — sandwich

Local spots mapped by the OpenStreetMap community.

🎡 Fun Things to Do

  • Arnold Historical Society Museum · Museum

Attractions mapped by the OpenStreetMap community.

🏞️ Parks & Outdoors in Arnold

Parks mapped by the OpenStreetMap community · "reviews" opens each park's live Google reviews.

🏫 Schools in Arnold

  • DON EARL EARLY CHILDHOOD CTR.
  • FOX ELEM.
  • FOX MIDDLE
  • FOX SR. HIGH
  • HAGEMANN ELEM.
  • LONE DELL ELEM.
  • MERAMEC HEIGHTS ELEM.
  • RICHARD SIMPSON ELEM.
  • RIDGEWOOD MIDDLE
  • ROCKPORT HEIGHTS ELEM.
  • ROGERS ELEM.
  • SHERWOOD ELEM.

Public schools, U.S. Dept. of Education (NCES) 2023–24 directory.

⚡ Quick Facts

TypeCity
Population (2024)21,036
Rank in state#35 of 938
Land area11.53 sq mi
Density1,824/sq mi
Coordinates38.4260, -90.3693

🗺️ Map of Arnold