Washington County Idaho was established in 1879.
As of the 2000 Census, the population of Idaho County Idaho is, 15,511.
As of the 2000 Census, the population of Bonner County Idaho is 36,835.
As of the 2000 Census the population of Bannock County, Idaho is 75,565.
As of the 2000 Census the population of Benewah County Idaho is 9,171.
As of the 2000 Census, the population of Bingham County Idaho is 41,735.
As of the 2000 Census, the population of Boundary County Idaho is, 9,871.
As of the 2000 Census, the population of Butte County Idaho is, 2,899.
As of the 2000 Census, the population of Camas County Idaho is, 991.
As of the 2000 Census, the population of Canyon County Idaho is, 131,441.
As of the 2000 Census, the population of Caribou County Idaho is, 7,304.
As of the 2000 Census, the population of Cassia County Idaho is, 21,416.