Canyon County

US States / H-L / Idaho / Canyon County

Canyon County is named for the canyon of the Boise River or for the Snake River Canyon which forms the boundary with Oregon State.


Created:  March 7, 1891

County Seat: 

Caldwell  1891 – present


County Courthouse – Caldwell 


Location:  1112 Albany Street / North 11th Avenue

Built:  1974 – 1975

Style:  Modern

Architect:  Keys, Olson & Ensley

Contractor:  Walter Opp Construction Company


Description:  The building  faces south and is a two story buff colored concrete and glass structure. The building has a three story section along the east side. The south central section is recessed. In the center is an open courtyard with the walls of the old courthouse along the north side. The roof line is flat.



N – Payette County and Gem County

E – Ada County

S – Owyhee County

W – Malheur County, Oregon













Photos taken 2009