Sebastian County is Arkansas’ smallest county in terms of square miles – 529 – but the fourth largest in terms of population (121,766). Located in the state’s northwest region and the Arkansas River Valley, one of its two county seats is Fort Smith (population 84,375) ranking below only Little Rock in city population. Greenwood (population 8,482) is the second county seat. (U.S. Census Bureau estimated 2007 figures). The county was named for William K. Sebastian, a U.S. senator, judge and state senator when the county was formed in 1851.
Economically, Sebastian County is diversified with manufacturing, service industries, timber, beef cattle and dairy production as well as vegetable crops like spinach and turnip greens. Educationally, University of Arkansas Fort Smith offers four-year degrees through the University of Arkansas. Cultural activities include historical sites, arts center, symphony, community theater, and a variety of influences by a sizeable Oriental community.