Sebastian County, Arkansas

Sebastian County
County
The Sebastian County Courthouse in Ft. Smith
Location within the U.S. state of Arkansas
Arkansas's location within the U.S.
Coordinates: 35°35′39″N 94°15′29″W / 35.5942°N 94.2581°W / 35.5942; -94.2581
Country	United States
State	Arkansas
Founded	January 6, 1851
Named for	William K. Sebastian
Seat	Fort Smith (northern district); Greenwood (southern district)
Largest city	Fort Smith
Area
• Total	546 sq mi (1,410 km2)
• Land	532 sq mi (1,380 km2)
• Water	14 sq mi (40 km2)  2.6%
Population  (2020)[1]
• Total	127,799
• Density	230/sq mi (90/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Website	www.sebastiancountyar.gov

Sebastian County is a county of the U.S. state of Arkansas. As of the 2020 census, the population was 127,799,^[1] making it the fourth-most populous county in Arkansas. The county has two county seats, Greenwood and Fort Smith.^[2]

1. ↑ ^{1.0 1.1} "QuickFacts: Sebastian County, Arkansas". United States Census Bureau. Retrieved August 8, 2023.
2. ↑ "Find a County". National Association of Counties. Retrieved 2011-06-07.