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McDowell County in North Carolina has a total area of 446 square miles.
It covers 52,671 sq mi Source: Answers.com
San Bernardino County in California is the largest county in the United States by size. It covers approximately 20,105 square miles.
The area of King County in Washington is approximately 2,131 square miles.
Seminole County in Florida covers approximately 345 square miles.
The largest is Berkeley County with 1,228 square miles.
That's a bit iffy. Technically, Dare County in the largest county in North Carolina by area, with a total area of 1562 square miles. However, only 384 square miles of that is land. Sampson County, on the other hand, has the largest land area of any county in North Carolina, with 945 square miles of land area (out of 947 miles of total area).
The largest county in square miles in Kansas is Sedgwick County, with an area of approximately 998 square miles.
Arkansas dah!This seems to be the correct answer:South Carolina's smallest county is McCormick at 360 square miles while the largest countyis Horry at 1134 square miles ...www.50states.com/facts/socaro.htm -
Shelby County is the largest county in Tennessee by square miles, covering an area of approximately 784 square miles.
The largest is Nye County with 18,147 square miles.
Osage County is the largest county in Oklahoma, measuring approximately 2,304 square miles.
Spartanburg County in South Carolina covers approximately 819 square miles.
It is Ware County with 903 square miles.
Keweenaw County - 5,966 square miles.
Worcester County with 1,513 square miles.
Brewster County is the largest county in Texas at 6,193 square miles.