Mountainburg, Arkansas

Mountainburg, Arkansas
Location of Mountainburg in Crawford County, Arkansas.
Coordinates: 35°36′15″N 94°10′09″W / 35.60417°N 94.16917°W / 35.60417; -94.16917
Country United States
State Arkansas
CountyCrawford
Area
 • Total
1.47 sq mi (3.81 km2)
 • Land1.47 sq mi (3.81 km2)
 • Water0 sq mi (0.00 km2)
Elevation
837 ft (255 m)
Population
 (2020)
 • Total
528
 • Estimate 
(2024)
531
 • Density358.8/sq mi (138.53/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
72946
Area code479
FIPS code05-47300
GNIS feature ID2404334

Mountainburg is a town in Crawford County, Arkansas, United States. It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area. As of the 2020 census, Mountainburg had a population of 528.

Mountainburg was laid out in 1883 when the St. Louis–San Francisco Railway was extended to that point.