Warren County, OH is 407 square miles.
Bastrop County, TX's area is 896 square miles.
Seminole County in Florida covers approximately 345 square miles.
Craven County, NC has a total area of 774 square miles.
960 square miles or 614,400 acres.
There are 2,569 square miles in Lincoln County, Nevada.
The smallest county in Texas is Rockwall County, which is about 147 square miles in size.
Jackson County in Florida covers approximately 917 square miles.
Onondaga County, NY is 806 square miles.
Marquette County, Michigan is 3,425 square miles.
Darlington County, SC is 567 square miles.
Hennepin County, Minnesota is 606 square miles.
Tillamook County, Oregon is 1,133 square miles.
Fulton County, GA's area is 534.75 square miles.
Baldwin County, AL's area is 2,027 square miles.
Fayette County, Tennessee is 706 square miles.
Knox County which has Knoxville as its county seat has an area of about 526 square miles.