Lycoming County with an area of 1,244 square miles.
SIZE: The largest Minnesota county by size is St. Louis County (6,226 square miles). POPULATION: The largest Minnesota county by population is Hennepin County (population of 1,116,200).
Marion County is the largest county in Indiana with an estimated population of 903,393 as of the 2010 U.S. Census. Allen County is the largest county in Indiana with total land area of 657 square miles.
Its area of 974 square miles
The largest county is Okanagan County, with a total area of 13644 km2 (5315 square miles). Second is Yakima County at 11168 km2 (4312 square miles). Third is Chelan County at 7754 km2 (2994 square miles).
It has the largest population but Randolf County with 1,040 square miles is larger in area.
Shelby is the largest county in Tennessee based both on population and on area. As of the 2010 census, Shelby County had a population of 927,644. Davidson County is the second largest county in Tennessee with a population of 569,891. Shelby County covers an area of 755 square miles. Wayne County is the second largest county based on area with 734 square miles.
The largest county in Illinois is McLean County with 1,184 square miles.
The largest county in Alabama is Baldwin County. The smallest county in Alabama is Etowah County. All Alabama counties must cover at least 600 square miles.
The largest county in South Carolina in terms of square miles is Horry County, with an area of around 1,134 square miles.
The largest county in square miles in Kansas is Sedgwick County, with an area of approximately 998 square miles.
Shelby County is the largest county in Tennessee by square miles, covering an area of approximately 784 square miles.