Las Animas County at 4,775 square miles.
Las Animas County is the largest county in the state of Colorado. 4,775 square miles (12,368 km²)
In terms of population the 4 largest counties in Colorado are:El Paso - 622,263Denver - 600,158Arapahoe - 572,003Jefferson - 534,543In terms square miles it is:Las Animas - 4,773Moffat - 4,743Weld - 3,987Mesa - 3,329
The largest county in South Carolina in terms of square miles is Horry County, with an area of around 1,134 square miles.
Nye County is the largest county in Nevada in terms of size, covering approximately 18,147 square miles.
Las Animas County at 4,773.27 square miles. Almost four Rhode Islands can be fitted into Las Animas County.
The biggest county in Colorado is Las Animas County, which is approximately 4,773 square miles in size.
4,775 square miles
It is Ware County with 903 square miles.
Shelby County is the largest county in Tennessee by square miles, covering an area of approximately 784 square miles.
Worcester County with 1,513 square miles.
Keweenaw County - 5,966 square miles.
Brewster County is the largest county in Texas at 6,193 square miles.