In descending order of land area they are Clayton, Dubuque, Jackson, and Allamakee counties.

In descending order of land area the others are Lewis, Yakima, Cowlitz, and Klickitat.

In descending order of land area the forest is located in parts of southern Okaloosa, Walton, and Santa Rosa counties.

In descending order of land area it lies in parts of Scott, Smith, Jasper, and Newton counties.

In descending order of land area they are Roosevelt, Valley, Daniels, and Sheridan counties.

In descending order of land area it is located in parts of Marion, Lake, Putnam, and Seminole counties.

In descending order of land area the forest is located in Idaho, Clearwater, and Shoshone counties.

In descending order of land area it is located in parts of:

In descending order of land area it is located in Ada, Elmore, Owyhee, and Canyon counties.

In descending order of land area the rest of the counties are Tehama with 7.37%, Shasta with 2.93%, and Humboldt with 0.23%.