Ada County is Idaho's largest county based on population with a population of 392,365 as of the 2010 Census.
Ada County
The most populated county in Idaho is Ada County, with a population of more than 390,000.
Ada county. it has boise in it.
The largest county in Idaho is Idaho County, it is 8,485 sq mi, the county seat is Grangeville, and it is located in central Idaho.
As of the 2000 Census, the population of Idaho County Idaho is, 15,511.
The second largest city in Idaho is Nampa. It is located in Canyon County and has a population of around 100,000 residents.
As of the 2000 Census, the population of Bonner County Idaho is 36,835.
As of the 2000 Census, the population of Latah County Idaho is, 34,935.
As of the 2000 Census, the population of Gooding County Idaho is, 14,155.
As of the 2000 Census, the population of Clark County Idaho is, 1,022.
As of the 2000 Census, the population of Caribou County Idaho is, 7,304.