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Facts about Idaho County
| County | Idaho |
| State | Idaho |
| Country | USA |
| Population – 2015 | 16,272 |
List of Counties in Idaho |
|||||
|---|---|---|---|---|---|
| County Name | County Seat/Capital | State | 2010 pop. | Area-km | Area-mi |
| Ada | Boise | Idaho | 3,92,365 | 2,726 | 1,053 |
| Adams | Council | Idaho | 3,976 | 3,530 | 1,363 |
| Bannock | Pocatello | Idaho | 82,839 | 2,880 | 1,112 |
| Bear Lake | Paris | Idaho | 5,986 | 2,525 | 975 |
| Benewah | Saint Maries | Idaho | 9,285 | 2,011 | 777 |
| Bingham | Blackfoot | Idaho | 45,607 | 5,423 | 2,094 |
| Blaine | Hailey | Idaho | 21,376 | 6,847 | 2,644 |
| Boise | Idaho City | Idaho | 7,028 | 4,919 | 1,899 |
| Bonner | Sandpoint | Idaho | 40,877 | 4,493 | 1,735 |
| Bonneville | Idaho Falls | Idaho | 1,04,234 | 4,833 | 1,866 |
| Boundary | Bonners Ferry | Idaho | 10,972 | 3,286 | 1,269 |
| Butte | Arco | Idaho | 2,891 | 5,780 | 2,232 |
| Camas | Fairfield | Idaho | 1,117 | 2,783 | 1,074 |
| Canyon | Caldwell | Idaho | 1,88,923 | 1,521 | 587 |
| Caribou | Soda Springs | Idaho | 6,963 | 4,569 | 1,764 |
| Cassia | Burley | Idaho | 22,952 | 6,644 | 2,565 |
| Clark | Dubois | Idaho | 982 | 4,569 | 1,764 |
| Clearwater | Orofino | Idaho | 8,761 | 6,364 | 2,457 |
| Custer | Challis | Idaho | 4,368 | 12,745 | 4,921 |
| Elmore | Mountain Home | Idaho | 27,038 | 7,964 | 3,075 |
| Franklin | Preston | Idaho | 12,786 | 1,719 | 664 |
| Fremont | Saint Anthony | Idaho | 13,242 | 4,827 | 1,864 |
| Gem | Emmett | Idaho | 16,719 | 1,453 | 561 |
| Gooding | Gooding | Idaho | 15,464 | 1,888 | 729 |
| Idaho | Grangeville | Idaho | 16,267 | 21,956 | 8,477 |
| Jefferson | Rigby | Idaho | 26,140 | 2,832 | 1,094 |
| Jerome | Jerome | Idaho | 22,374 | 1,547 | 597 |
| Kootenai | Coeur d’Alene | Idaho | 1,38,494 | 3,222 | 1,244 |
| Latah | Moscow | Idaho | 37,244 | 2,787 | 1,076 |
| Lemhi | Salmon | Idaho | 7,936 | 11,819 | 4,563 |
| Lewis | Nezperce | Idaho | 3,821 | 1,240 | 479 |
| Lincoln | Shoshone | Idaho | 5,208 | 3,112 | 1,201 |
| Madison | Rexburg | Idaho | 37,536 | 1,215 | 469 |
| Minidoka | Rupert | Idaho | 20,069 | 1,962 | 758 |
| Nez Perce | Lewiston | Idaho | 39,265 | 2,197 | 848 |
| Oneida | Malad City | Idaho | 4,286 | 3,108 | 1,200 |
| Owyhee | Murphy | Idaho | 11,526 | 19,854 | 7,666 |
| Payette | Payette | Idaho | 22,623 | 1,054 | 407 |
| Power | American Falls | Idaho | 7,817 | 3,637 | 1,404 |
| Shoshone | Wallace | Idaho | 12,765 | 6,811 | 2,630 |
| Teton | Driggs | Idaho | 10,170 | 1,164 | 449 |
| Twin Falls | Twin Falls | Idaho | 77,230 | 4,976 | 1,921 |
| Valley | Cascade | Idaho | 9,862 | 9,491 | 3,665 |
| Washington | Weiser | Idaho | 10,198 | 3,763 | 1,453 |