The largest county in the United States is San Bernardino County, California with 20,105.32 square miles.
Putnam County, Florida has a total area of 827 square miles.
The County of Riverside has a total land and water area of 18,915 square kilometers. The land area is 18,667 square kilometers while the water area is 248 square kilometers.
San Bernardino County is the largest county in the contiguous USA at approx 22,000 square miles. It's bigger then some of the Northeastern states. There are some counties in Alaska that are huge, but Alaska is a country all to itself.
There are two counties in the United States known as Hillsborough. Hillsborough County, Florida covers a total area of 1,266.22 square miles (3,279 square kilometers); and Hillsborough County, New Hampshire covers a total area of 892 square miles (2,310 square kilometers).
what is the largest county in size measuring square miles in illinios
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.
In area, Perkins County is the second largest county in South Dakota with a total area of 2,891 square miles. In population, Pennington County is the second largest county in South Dakota with a total population of 100,948 (2010 Census).
Yazoo County is the largest county in Mississippi. Yazoo County has a total area (land and water) of 934 square miles, or 2420 km2. 1.57% of the county's total area is water. Thus: 919 mi² of Yazoo County, Mississippi is land area. 15 mi² is of Yazoo County, Mississippi is water area.
At 903 square miles it is Georgia's largest county in total area.
Pike County with a total area of 789 square miles.
Maricopa is the largest in population. Coconino County is the largest in area and the County Seat is Flagstaff.
Shelby County's total area is 785 square miles including 763 square miles of land area. Shelby County is Tennessee's largest county in area.
The largest county in Hawaii is actually Hawaii Countywith a total area of 5,087 sq miles (13,175 km²).
Polk County is the largest county in Iowa with population of 430,640 as of the 2010 U.S. Census. Kossuth County is the largest county in Iowa with total land area of 973 square miles.
Hordaland County has a land area of 14,551 km^2 and a total area of 15,460 km^2. It is the third largest county in Norway by population not by land area.
Coos County which occupies all of the northern New Hamshire Panhandle and is the largest County in area has a total area of 1,831 square miles.
The largest county in Massachusetts is Boston County.