The largest County in Maine is Aroostook, measuring 6,829 square miles.
Putnam County, Florida has a total area of 827 square miles.
Approx 20105 square miles.
Idaho County is 8,502 sq miles (22,020 km²).
Harney County, OR is 10,226 sq miles (26,485 km²).
Collier County is located in southern Florida and has a population of 328,134. The county seat and largest city in Collier County is Naples. Collier County is 2,305 square miles in area.
About 1,296,640 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.