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Sebastian County, Arkansas
Map of Arkansas highlighting Sebastian County
Location in the state of Arkansas
Map of the U.S. highlighting Arkansas
Arkansas's location in the U.S.
Founded January 6, 1851
Seat Fort Smith (northern district);
Greenwood (southern district)
 - Total
 - Land
 - Water

546.04 sq mi (1,414 km²)
536.24 sq mi (1,389 km²)
9.79 sq mi (25 km²), 1.79%
 - (2010)
 - Density

234/sq mi (90.53/km²)

Sebastian County is a county located in the U.S. state of Arkansas. It is part of the Fort Smith, Arkansas-Oklahoma Metropolitan Statistical Area. As of 2010, the population was 125,744. The county has two county seats, Greenwood and Fort Smith.[1] Sebastian County is Arkansas's 56th county, formed on January 6, 1851, and named for William Sebastian, United States Senator from Arkansas.


According to the 2000 census, the county has a total area of 546.04 square miles (1,414.2 km2), of which 536.24 square miles (1,388.9 km2) (or 98.21%) is land and 9.79 square miles (25.4 km2) (or 1.79%) is water.[2]

Major highways[]

  • I-540 (AR).svg Interstate 540
  • US 64.svg U.S. Highway 64
  • US 71.svg U.S. Highway 71
  • US 271.svg U.S. Highway 271
  • Arkansas 10.svg State Route 10
  • Arkansas 22.svg State Route 22
  • Arkansas 45.svg State Route 45
  • Arkansas 59.svg State Route 59
  • Arkansas 96.svg State Route 96

Adjacent counties[]

National protected areas[]

  • Fort Smith National Historic Site (part)
  • Ouachita National Forest (part)


Historical populations
Census Pop.
1860 9,238
1870 12,940 40.1%
1880 19,560 51.2%
1890 33,200 69.7%
1900 36,935 11.3%
1910 52,278 41.5%
1920 56,739 8.5%
1930 54,426 −4.1%
1940 62,809 15.4%
1950 64,202 2.2%
1960 66,685 3.9%
1970 79,237 18.8%
1980 95,172 20.1%
1990 99,590 4.6%
2000 115,071 15.5%
2010 125,744 9.3%

Age pyramid Sebastian County[6]

As of the census[7] of 2000, 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 [1].

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.

Cities and towns[]

  • Barling
  • Bonanza
  • Central City
  • Hartford
  • Huntington
  • Lavaca
  • Mansfield
  • Midland


Townships in Arkansas are the divisions of a county. Each township includes unincorporated areas and some may have incorporated towns or cities within part of their space. Townships have limited purposes in modern times. However, the US Census does list Arkansas population based on townships (often referred to as "minor civil divisions"). Townships are also of value for historical purposes in terms of genealogical research. Each town or city is within one or more townships in an Arkansas county based on census maps. The townships of Sebastian County are listed below with the town(s) and/or city that are fully or partially inside them listed in parentheses.


  • 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

See also[]

  • National Register of Historic Places listings in Sebastian County, Arkansas


External links[]

Coordinates: 35°35′39″N 94°15′29″W / 35.59417, -94.25806

This page uses content from the English language Wikipedia. The original content was at Sebastian County, Arkansas. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.