Idaho County

US States / H-L / Idaho / Idaho County

Idaho County is named for a former steamer called “Idaho” which was launched on the Columbia River in 1860, and Idaho is a Shoshone Indian name of a purple  columbine common in the region.


Created:  February  4, 1864

County Seat: 

Florence        1864 – 1875

Mount Idaho  1875 – 1902

Grangeville    1902 – present


County Courthouse – Grangeville


Location:  320 West Main Street / South College Street

Built:  1953 – 1954

Style:  Modern

Architect:  Whitehouse & Price & Associates

Contractor:  Bill Humphreys & Company


Description:  The building  faces north and is a two story gray colored concrete and glass  structure. The north front has a central entrance which rises to a peak above the roof line. There is a center divider with the entrance on the east side and recessed glass on the west side. The windows are horizontal with red colored brick dividers across the north front.


Note:  The previous courthouse was built in 1902.



N – Nez Perce County, Lewis County, Clearwater County and Missoula County, Montana

E – Ravalli County, Montana and Lemhi County

S – Valley County and Adams County

W – Wallowa County, Oregon















Photos taken 2009