List of All Counties in Idaho | ||||
|---|---|---|---|---|
| Map Key | Name | Population | ||
| Ada County | 494,967 | |||
| Adams County | 4,379 | |||
| Bannock County | 87,018 | |||
| Bear Lake County | 6,372 | |||
| Benewah County | 9,530 | |||
| Bingham County | 47,992 | |||
| Blaine County | 24,272 | |||
| Boise County | 7,610 | |||
| Bonner County | 47,110 | |||
| Bonneville County | 123,964 | |||
| Boundary County | 12,056 | |||
| Butte County | 2,574 | |||
| Camas County | 1,077 | |||
| Canyon County | 231,105 | |||
| Caribou County | 7,027 | |||
| Cassia County | 24,655 | |||
| Clark County | 790 | |||
| Clearwater County | 8,734 | |||
| Custer County | 4,275 | |||
| Elmore County | 28,666 | |||
| Franklin County | 14,194 | |||
| Fremont County | 13,388 | |||
| Gem County | 19,123 | |||
| Gooding County | 15,598 | |||
| Idaho County | 16,541 | |||
| Jefferson County | 30,891 | |||
| Jerome County | 24,237 | |||
| Kootenai County | 171,362 | |||
| Latah County | 39,517 | |||
| Lemhi County | 7,974 | |||
| Lewis County | 3,533 | |||
| Lincoln County | 5,127 | |||
| Madison County | 52,913 | |||
| Minidoka County | 21,613 | |||
| Nez Perce County | 42,090 | |||
| Oneida County | 4,564 | |||
| Owyhee County | 11,913 | |||
| Payette County | 25,386 | |||
| Power County | 7,878 | |||
| Shoshone County | 13,169 | |||
| Teton County | 11,630 | |||
| Twin Falls County | 90,046 | |||
| Valley County | 11,746 | |||
| Washington County | 10,500 | |||