As of the 2000 Census, the population of Payette County Idaho is, 20,578.
The total area of Payette County Idaho is, 408 sq mi, (1,057 km sq).
The address of the Payette County Historical Society Inc is: Po Box 696, Payette, ID 83661
Benewah County Idaho was established in 1915.
Clark County is Idaho's smallest county based on population with a population of 982 as of the 2010 Census. Payette County is Idaho's smallest county based on area with 408 square miles.
Idaho County Idaho was established in 1864.
Bonneville County Idaho was established in 1911.
Butte County Idaho was established in 1917.
Canyon County Idaho was established in 1892.
Caribou County Idaho was established in 1919.
Cassia County Idaho was established in 1879.
Clark County Idaho was established in 1919.