Ada County is the most populous county in Idaho, with an estimated 392,365 people.
Ada County
Ada County is Idaho's largest county based on population with a population of 392,365 as of the 2010 Census.
The most populated county in Idaho is Ada County, with a population of more than 390,000.
Ada county. it has boise in it.
* Ada, Adams * Bannock, Bear Lake, Benewah, Bingham, Blaine, Bonner, Booneville, Boundary * Camas, Canyon, Caribou, Cassia, Clark, Clearwater, Custer * Elmore * Franklin, Freemont * Gem, Gooding * Idaho * Jefferson, Jerome * Kootenai * Latah, Lemhi, Lewis, Lincoln * Madison, Minidokka * Nez Perce * Oneida, Owyhee * Payette, Power * Shoshone * Teton, Twin Falls * Valley and * Washington.
The second largest city in Idaho is Nampa. It is located in Canyon County and has a population of around 100,000 residents.
Area: * Idaho County - 8,485 sq mi * Owyhee County - 7,678 sq mi * Custer County - 4,926 sq mi Population: * Ada County - 300,904 * Canyon County - 131,441 * Kootenai County - 108,685
Idaho County Idaho was established in 1864.
Benewah County Idaho was established in 1915.
As of the 2000 Census, the population of Idaho County Idaho is, 15,511.
Sandpoint is a large town in Bonner County, Idaho.