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.
8,502 sq mi (22,021 km²) It is larger than the states of Rhode Island, Connecticut and Delaware. It is 125 square miles shy of being as large as all three states combined. It is nearly as large as New Jersey, New Hampshire and Vermont. It also has 15,000 residents. The "big city" in Idaho County is Grangeville, which has 3100 residents.