Shelby County, 938,069
The largest county in the state of Wyoming is Sweetwater County with a population of 43,806 people. Wyoming's total population is 582,658.
Ada County is the most populous county in Idaho, with an estimated 392,365 people.
Miami-Dade County, Florida, has the largest population at 2,496,435 people in 2010.
Las Aniimas County has the largest area and the City and County of Denver has the greatest population.
The largest county in the state of Montana is Beaverhead County, with 5, 543 square miles. It is located in the South West corner of the state.The largest Montana county by size is Beaverhead County, which is 5,543 square miles.The largest Montana county by population is Yellowstone County, which has a population of 129,352.Montana is a US State and contains no states.
wayne county
The largest county by population is King. The largest in size is Okanogan, 5,268 square miles.
According to census.gov, Jefferson County, Alabama, has the most population at 658,779 people in 2007.
Marion County has the largest county population in Indiana.
Wake County which includes Raleigh Durham is the largest county in North Carolina. The popular is around 929, 780 people.
The answer is Harris with 3,693,050 people in the county.
Lycoming 1,235 sq. miles Piladelphia 1,463,281 people