Idaho - Area of significance: Politics/Government
| Adams County Courthouse |
| Alexander House |
| Arctic Point Fire Lookout |
| Assay Office |
| Bagley, John A., House |
| Benewah County Courthouse |
| Bethel Baptist Church |
| Big Creek Commissary |
| Blaine County Courthouse |
| Boise Capitol Area District |
| Boise Junior College Administration Building |
| Bonneville County Courthouse |
| Boundary County Courthouse |
| Brady Memorial Chapel |
| Brown's Creek CCC Camp Barracks |
| Buckner, Aurelius and Dorothy, House |
| Butts Point Creek Fire Lookout |
| Caldwell Historic District |
| Carey Dome Fire Lookout |
| Caribou County Courthouse |
| Cassia County Courthouse |
| Cold Meadows Guard Station |
| Council Ranger Station |
| Davie, William, House |
| Deep Creek Ranger Station |
| East Side Downtown Historic District |
| Elmore County Courthouse |
| Evans, D. L., Sr., Bungalow |
| Federal Building and U.S. Courthouse |
| Franklin City Hall |
| Franklin County Courthouse |
| Fremont County Courthouse |
| Galloway, Thomas C., House |
| Gardiner Peak Lookout |
| Hotel Patrie |
| Indian Mountain Fire Lookout |
| Jefferson County Courthouse |
| Jerome County Courthouse |
| Ketchum Ranger District Administrative Site |
| Kootenai County Jail |
| Krassel Ranger Station |
| Lamb Creek School |
| Lemhi County Courthouse |
| Logan, Thomas E., House |
| Madison County Courthouse |
| McCall District Administrative Site |
| McCarthy, Judge Charles P., House |
| McConnell-McGuire Building |
| McConnell, W. J., House |
| Minidoka Internment National Monument |
| Nampa City Hall |
| Oneida County Courthouse |
| Palisades Dam and Powerplant Historic District |
| Pierce Courthouse |
| Power County Courthouse |
| Rice, John C., House |
| Robbins, Corilla J. and Orlando, House |
| Salmon Mountain Lookout |
| Shilling Avenue Historic District |
| Shoshone Historic District |
| Soda Springs City Hall |
| Sparks, Walter, House |
| State Street Historic District |
| St. John's Episcopal Church |
| St. Joseph's Mission |
| Teton County Courthouse |
| U.S. Inspection Statio-Porthill, Idaho |
| U.S. Post Office |
| US Post Office-Blackfoot Main |
| US Post Office-Bonners Ferry Main |
| US Post Office-Buhl Main |
| US Post Office-Caldwell Main |
| US Post Office-Kellogg Main |
| US Post Office-Nampa Main |
| US Post Office-Orofino Main |
| US Post Office-Payette Main |
| US Post Office-Preston Main |
| US Post Office-St. Anthony Main |
| US Post Office-Wallace Main |
| Warren Guard Station, Building 1206 |
| Warwas, Richard and Winnie, House |
| Washington County Courthouse |
| West Warm Springs Historic District |
Data from United States Park Service and Wikidata