Fort Smith, AR is located in Sebastian County. It is home to 23886 people. The median household income is $39,220.00 (Source: 2000 Census). The average home value was $95,200.00 (Source: 2000 Census). Nearby towns and cities include Van Buren, Fort Smith, Greenwood, Alma, Lavaca. Find listings of real estate for sale in Fort Smith below.