Almost 1200
1200
1mi
McLean County 1,184 sq mi
McLean, Virginia comprises about 18.5 square miles; all of it being land area.
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.
Fulton County, GA's area is 534.75 square miles.
Baldwin County, AL's area is 2,027 square miles.
Marquette County, Michigan is 3,425 square miles.
Hennepin County, Minnesota is 606 square miles.
Darlington County, SC is 567 square miles.