Adams County, Idaho

Founding: 1911
Parent county: Washington
Namesake: John Adams, U.S. president
Seat: Council (1911–)
Land area: 1,363 square miles
Population (2020): 4,379
Population (historic): 2,966 (1920); 2,867 (1930); 3,407 (1940)
Periods of population growth: pre-1920; 1930s; 1970s; 1990–2020
Subdivisions: Two cities
National Register listings: Nine
Pre-1940 residences (estimated): 173 (6.5%)
Pre-1940 housing survival rate: 27.3%

Farm housing in disrepair (1950): 12.7%

Nonfarm housing in disrepair (1950): 14.7%

Average farmhouse value (1930): $818
Average outbuilding value (1930): $770

Average farmhouse size (1940): 4.4 rooms

Number of farms (1920): 484
Average farm size (1920): 111.5 acres
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Council

 
Namesake: The Council Valley
Founding: 1878 (post office); 1903 (incorporation)
Population (2020): 867
Population (historic): 312 (1910); 388 (1920); 355 (1930)
Periods of population growth: pre-1910–1920; 1930–1980; 2000s
Pre-1940 residences (estimated): 44 (10.8%)
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