Counties in Idaho
List of Counties in Idaho.
| Counties | Population | Area (km2) |
|---|---|---|
| Ada County | 416,464 | 2,732.235 |
| Canyon County | 198,871 | 1,561.608 |
| Kootenai County | 144,265 | 3,413.987 |
| Bonneville County | 107,517 | 4,921.252 |
| Bannock County | 83,249 | 2,968.12 |
| Twin Falls County | 79,957 | 4,993.457 |
| Bingham County | 45,290 | 5,480.662 |
| Bonner County | 40,699 | 4,977.483 |
| Nez Perce County | 39,915 | 2,221.464 |
| Latah County | 38,078 | 2,791.521 |
| Madison County | 37,450 | 1,218.055 |
| Jefferson County | 26,914 | 2,869.112 |
| Elmore County | 26,170 | 8,032.062 |
| Cassia County | 23,331 | 6,674.59 |
| Payette County | 22,610 | 1,068.794 |
| Jerome County | 22,514 | 1,552.993 |
| Blaine County | 21,329 | 6,919.119 |
| Minidoka County | 20,292 | 1,982.333 |
| Gem County | 16,686 | 1,459.881 |
| Idaho County | 16,116 | 22,035.283 |
| Gooding County | 15,080 | 1,915.112 |
| Fremont County | 12,927 | 4,904.198 |
| Franklin County | 12,854 | 1,744.17 |
| Shoshone County | 12,690 | 6,827.262 |
| Owyhee County | 11,472 | 19,966.976 |
| Boundary County | 10,853 | 3,310.621 |
| Teton County | 10,275 | 1,166.437 |
| Washington County | 9,944 | 3,809.487 |
| Valley County | 9,606 | 9,674.361 |
| Benewah County | 9,044 | 2,042.733 |
| Clearwater County | 8,577 | 6,416.14 |
| Power County | 7,719 | 3,738.781 |
| Lemhi County | 7,712 | 11,843.164 |
| Caribou County | 6,808 | 4,662.808 |
| Boise County | 6,795 | 4,953.245 |
| Bear Lake County | 5,943 | 2,714.462 |
| Lincoln County | 5,315 | 3,110.323 |
| Oneida County | 4,275 | 3,121.072 |
| Custer County | 4,249 | 12,794.369 |
| Lewis County | 3,902 | 1,245.751 |
| Adams County | 3,828 | 3,548.506 |
| Butte County | 2,642 | 5,800.726 |
| Camas County | 1,042 | 2,783.236 |
| Clark County | 867 | 4,559.703 |