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.
History
Sebastian County is Arkansas's 56th county, formed on January 6, 1851, and named for William K. Sebastian, United States Senator from Arkansas.
Geography
According to the U.S. Census Bureau, the county has a total area of , of which is land and (2.6%) is water. It is the second-smallest county by area in Arkansas.
Major highways
20px Interstate 49
25px Interstate 540
20px U.S. Highway 64
20px U.S. Highway 71
25px U.S. Highway 271
20px State Route 10
20px State Route 22
20px State Route 45
20px State Route 59
20px State Route 96
Adjacent counties
Crawford County (north)
Franklin County (east)
Logan County (southeast)
Scott County (south)
Le Flore County, Oklahoma (southwest)
Sequoyah County, Oklahoma (northwest)
National protected areas
Fort Smith National Historic Site (part)
Ouachita National Forest (part)
Demographics
thumb|left|150px|Age pyramid Sebastian County]]
2020 census
As of the 2020 United States census, there were 127,799 people, 51,384 households, and 32,517 families residing in the county.
2000 census
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.
In 2000 there were 45,300 households, out of which 32.80% had children under the age of 18 living with them, 52.40% were married couples living together, 11.30% had a female householder with no husband present, and 32.20% were non-families. 27.50% of all households were made up of individuals, and 10.00% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.04.
In the county, the population was spread out, with 26.00% under the age of 18, 9.20% from 18 to 24, 29.50% from 25 to 44, 22.30% from 45 to 64, and 13.00% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 95.30 males. For every 100 females age 18 and over, there were 92.10 males.
The median income for a household in the county was $33,889, and the median income for a family was $41,303. Males had a median income of $30,056 versus $22,191 for females. The per capita income for the county was $18,424. About 10.40% of families and 13.60% of the population were below the poverty line, including 18.60% of those under age 18 and 10.00% of those age 65 or over.
As of 2010 census the population of Sebastian County was 125,744. The racial makeup of the county was 72.83% Non-Hispanic white, 6.24% Non-Hispanic black, 1.88% Native American, 4.06% Asian, 0.09% Pacific Islander, 0.07% Non-Hispanics of some other race, 2.78% Non-Hispanics reporting two or more races and 12.82% Hispanics.
Government
'''Politics
Whereas most of Arkansas was overwhelmingly blue up to the mid-2000s, Sebastian has been a solidly Republican county at the presidential level since Dwight Eisenhower won it in 1952. Since that election, no Democrat has ever again carried this county, though native son Bill Clinton came within less than 1,000 votes of doing so during both of his campaigns. However, Democrats continued to split most local offices and state legislative seats with Republicans well into the 1990s.
Education
Public education is provided by several school districts (listed below from largest to smallest):
Fort Smith School District
Greenwood School District
Lavaca School District
Hackett School District
Hartford School District
Communities
Cities
Barling
Bonanza
Fort Smith (county seat)
Greenwood (county seat)
Hackett
Hartford
Huntington
Lavaca
Mansfield
Towns
Central City
Midland
Townships
Bass Little (some of Greenwood)
Big Creek (Lavaca)
Beverly
Bloomer
Center (most of Greenwood)
Cole (Hackett)
Dayton
Diamond (Huntington)
Fort Chafee UT (part of Barling, part of Fort Smith)
Hartford (Hartford)
Island
Jim Fork (Midland)
Lon Norris (part of Fort Smith)
Marion (Bonanza, small part of Fort Smith)
Mississippi
Mont Sandels (Central City, most of Barling)
Prairie
Rogers
Sugarloaf (part of Mansfield)
Upper (most of Fort Smith)
Washburn
White Oak
Notable people
John Sebastian Little, member of the United States House of Representatives and the 21st Governor of the U.S. state of Arkansas
Mathew Pitsch, Republican member of the Arkansas House of Representatives for Sebastian County