| Table 6 -- Areas by State, Congressional Districts, and Counties |
| Unit | Congressional | NFS |
| State | County | Name | District | Acreage |
| Idaho |
| Ada | Boise NF | 3,724 |
| Adams | Payette NF | 508,136 |
| Benewah | St. Joe NF | 34,656 |
| Boise | Boise NF | 867,368 |
| Bonner | Coeur D Alene NF | 14,027 |
| Kaniksu NF * | 422,639 |
| Kootenai NF * | 35,909 |
| Boundary | Kaniksu NF * | 480,232 |
| Kootenai NF * | 10,571 |
| Clearwater | Clearwater NF | 762,606 |
| St. Joe NF | 39,818 |
| Gem | Boise NF | 60,968 |
| Idaho | Bitterroot NF * | 464,108 |
| Clearwater NF | 869,818 |
| Nezperce NF | 2,224,230 |
| Payette NF | 804,780 |
| Salmon NF | 66,074 |
| Wallowa NF * | 1,769 |
| Kootenai | Coeur D Alene NF | 239,839 |
| Kaniksu NF * | 3,602 |
| Latah | St. Joe NF | 112,555 |
| Lewis | Clearwater NF | 10 |
| Nezperce | 156 |
| Wallowa NF * | 1,674 |
| Shoshone | Clearwater NF | 48,014 |
| Coeur D Alene NF | 471,734 |
| St. Joe NF | 680,469 |
| Valley | Boise NF | 1,075,050 |
| Payette NF | 890,579 |
| Salmon NF | 71,616 |
| Washington | Boise NF | 78 |
| Payette NF | 122,846 |
| 1st District Total | 11,389,655 |
| Bannock | Caribou NF * | 118,995 |
| Bear Lake | Cache NF * | 136,067 |
| Caribou NF * | 93,911 |
| Blaine | Challis NF | 2,449 |
| Sawtooth NF * | 488,689 |
| Bonneville | Caribou NF * | 307,349 |
| Targhee NF * | 175,618 |
| Butte | Challis NF | 222,742 |
| Targhee NF * | 48,320 |
| Camas | Sawtooth NF * | 323,546 |
| Caribou | Cache NF * | 22,511 |
| Caribou NF * | 352,976 |
| Cassia | Sawtooth NF * | 387,053 |
| Clark | Challis NF | 2,912 |
| * Unit is in two or more states. |