The area of Travis County is 989 square miles.
Oklahoma County is 718 square miles.
Jackson county is 100.6 square miles
* Dallas County Arkansas is 668 square miles. * Dallas County Texas 908 square miles.
Loudon County, TN: 247 square miles. Loudon County, VA: 521 square miles.
Fulton County, GA's area is 534.75 square miles.
Marquette County, Michigan is 3,425 square miles.
Darlington County, SC is 567 square miles.
Okaloosa County, Florida is 1,082 square miles.
Hennepin County, Minnesota is 606 square miles.
Lincoln County is 4 831 square miles.
Rockwall County: 129 square miles.
Tillamook County, Oregon is 1,133 square miles.
Onondaga County, NY is 806 square miles.
Knox County which has Knoxville as its county seat has an area of about 526 square miles.