Adams County

US States / H-L / Idaho / Adams County

Adams County is named for John Adams, who was the second President of the United States of America, or for John Quincy Adams, who was the sixth President of the United States of America.


Created:   March 3, 1911

County Seat: 

Council  1912 – present


County Courthouse – Council


Location:  301 Industrial Avenue / North Dartmouth Street

Built:  1989 – 1999

Style:  Modern

Architect: Archetype Design

Contractor:  Delpro Corporation


Description:  The building faces north and is a one story red colored brick and concrete  structure. The northwest entrance has two large pillars and a recessed glass doorway. The exterior is a yellow colored concrete and the building has a sloped red colored roof. Contracts for plumbing were awarded to C & R Plumbing and Heating of Dalton Garden, for sheet metal to Outland Steel of Nampa and for mechanical to Lewis Mechanical of Pocatello.


 Old County Courthouse - Council 




Location:  SE – California Avenue / Michigan Street

Built:  1914 – 1915

Style:  Colonial Revival

Architect:  Charles Kaufman

Contractor:  George F Brinson


Description:  The building faces west and is a two story red colored brick and concrete structure. The building has a west wing and a south wing with the main entrance at the junction of of the two wings with dormer above at the roof line. The roof is pitched. During construction of the building the supervisor was W S Geddes. The building is presently not used but is maintained by the Adams County Historic Preservation Commission. The building was demolished in November 2017.



N – Idaho County

E – Valley County

S – Gem County and Washington County

W – Washington County, Baker County, Oregon and Wallowa County, Oregon




















Photos taken 2009 and 2012