Ada County: 2C: Disputed, either a canyon of the Boise River near Caldwell or a canyon of the Snake River which forms part of the county's boundary. 251,065: 590 sq mi (1,528 km 2) Caribou County: 029: Soda Springs: 1919: Bannock County: 3C: Caribou Mountains: 7,190: 1,766 sq mi (4,574 km 2) Cassia County: 031: Burley: 1879: Owyhee County: 4C
All Topics Population Age and Sex Race and Hispanic Origin Population Characteristics Housing Families & Living Arrangements Computer and Internet Use Education Health Economy Transportation Income & Poverty Businesses Geography. Ada County, Idaho. Population Estimates, July 1, 2022, (V2022) . 518,907.
Ada County, Idaho. Idaho. United States. Population Estimates, July 1, 2022, (V2022) . 518,907. . 1,939,033. .
Guide to Ada County, Idaho ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.