Sebastian County, Arkansas | |
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The Sebastian County Courthouse in Ft. Smith
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Location in the U.S. state of Arkansas |
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Arkansas's location in the U.S. |
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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 (1,414 km2) |
• Land | 532 sq mi (1,378 km2) |
• Water | 14 sq mi (36 km2), 2.6% |
Population (est.) | |
• (2015) | 127,780 |
• Density | 236/sq mi (91/km²) |
Congressional districts | 3rd, 4th |
Time zone | Central: UTC-6/-5 |
Website | www |
Sebastian County is a county located in the U.S. state of Arkansas. As of the 2010 census, the population was 125,744, making it the fourth-most populous county in Arkansas. The county has two county seats, Greenwood and Fort Smith.
Sebastian County is part of the Fort Smith, AR-OK Metropolitan Statistical Area.
Sebastian County is Arkansas's 56th county, formed on January 6, 1851, and named for William K. Sebastian, United States Senator from Arkansas.
According to the U.S. Census Bureau, the county has a total area of 546 square miles (1,410 km2), of which 532 square miles (1,380 km2) is land and 14 square miles (36 km2) (2.6%) is water. It is the second-smallest county by area in Arkansas.
As of the 2000 United States Census, there were 115,071 people, 45,300 households, and 30,713 families residing in the county. The population density was 215 people per square mile (83/km²). There were 49,311 housing units at an average density of 92 per square mile (36/km²). The racial makeup of the county was 82.34% White, 6.16% Black or African American, 1.57% Native American, 3.51% Asian, 0.05% Pacific Islander, 3.71% from other races, and 2.67% from two or more races. 6.70% of the population were Hispanic or Latino of any race. 19.6% were of American, 12.6% German, 11.0% Irish and 9.0% English ancestry according to Census 2000. 5.49% reported speaking Spanish at home, while 1.47% speak Vietnamese and 0.97% Lao.