Written and Fact-checked by Whereig Editors | Updated On: April 28, 2026 | 14:51 ET
Where is Arnold Located? - Arnold is a city located in the Jefferson County of Missouri, United States. Arnold lies between 44.4686696 Degrees North latitudes and 71.1850768 Degrees West longitudes.
Location Map of Arnold, Missouri
Arnold Map, Missouri, USA
Where is Arnold?: The Google Map showing the location of Arnold in the U.S. state of Missouri.
Where is Arnold Located?
Arnold is a city located in the Jefferson County of Missouri, United States. Arnold lies between 44.4686696 Degrees North latitudes and 71.1850768 Degrees West longitudes. According to 2020 U.S.census, the population of Arnold city is 20858 people and the city has a total area of 11.53 sq mi. The city has numerous parks and recreational facilities.
Arnold is one of the largest cities in Jefferson County and a major suburb of St. Louis.
Interstate 55 provides direct access to downtown St. Louis and southern Missouri.
The city serves as a residential and commercial hub for communities in northern Jefferson County.
Retail, healthcare, education and service industries are important sectors of the local economy.
Arnold offers convenient access to parks, the Meramec River and regional recreation areas.
Key Landmarks and Places to Visit in Arnold, Missouri
Landmark Name
Type
Arnold City Park
Community Park
Arnold Recreation Center
Recreation Facility
Mastodon State Historic Site
Historic and Archaeological Site
Meramec Greenway
Nature and Trail Area
Jefferson Barracks Historic Park
Nearby Historic Site
Suson Park
Family Recreation Area
Richard Simpson Park
City Park
Rock Community Fire Protection Museum
Local Museum
Meramec River Access Areas
Outdoor Recreation
St. Louis Gateway Arch Area
Nearby Attraction
Colleges and Universities Near Arnold, Missouri
Institution Name
Type
Distance
Notable For
Jefferson College
Community College
12 mi
Academic transfer and workforce programs
University of Missouri-St. Louis
Public University
25 mi
Research and business programs
Saint Louis University
Private University
22 mi
Health sciences and research
Washington University in St. Louis
Private University
24 mi
Research and higher education
Webster University
Private University
16 mi
Business and communications
Waterbodies in and Near Arnold, Missouri
Meramec River, Mississippi River, Coldwater Creek, Fenton Lake, Simpson Lake, George Winter Park Lake, Creve Coeur Lake, Joachim Creek, River des Peres, Big River
Golf Courses in and Near Arnold, Missouri
Arnold Golf Club, Oak Valley Golf Course, Sunset Country Club, Crescent Farms Golf Club, Tapawingo National Golf Club, Pevely Farms Golf Club, Crystal Highlands Golf Club, Riverside Golf Club
Arnold, Missouri - Key Historical Facts
Arnold originated as a small settlement along transportation routes connecting St. Louis with southern Missouri.
The community was named after Arnold Kreitler, an early local businessman and landowner.
Residential growth accelerated during the mid-twentieth century as the St. Louis metropolitan area expanded.
The construction of Interstate 55 contributed significantly to the city's development and accessibility.
Arnold incorporated as a city in 1972 and continued to grow as a suburban center.
Today, Arnold is recognized for its family-friendly neighborhoods, parks and strong connection to the St. Louis region.
