'Sebastian County, AR' definitions:

Sebastian -- U.S. County in Arkansas

From: Gazetteer 2000
Name :
Sebastian -- U.S. County in Arkansas
Population (2000) :
115071
Housing Units (2000) :
49311
Land area (2000) :
536.243464 sq. miles (1388.864138 sq. km)
Water area (2000) :
9.794126 sq. miles (25.366668 sq. km)
Total area (2000) :
546.037590 sq. miles (1414.230806 sq. km)
Located within :
Arkansas (AR), FIPS 05
Location :
35.293916 N, 94.351769 W