 The tiny portion of Bonner County south of the 48th parallel and east of Shoshone County was not in any of Idaho's counties from 1863 to 1907, the longest time frame any non-county area existed in the State of Idaho.The Idaho panhandle north of the Clearwater River's basin was in Spokane County, Washington, prior to Idaho's creation as a territory in 1863.When Idaho defined its original counties by February, 1864, it attached the former Spokane County area to Nez Perce County for judicial purposes.