Idaho
Counties
Columns: County | County seat | License Plate Code | Year founded | Population (2008 est.) | Population Percentage | Area (sq.mi.) | Area %
Ada | Boise | 1A | 1864 | 380920 | 25.00 % | 1060 | 1.21 % | Adams | Council | 2A | 1911 | 3499 | 00.23 % | 1370 | 1.57 % | Bannock | Pocatello | 1B | 1893 | 80812 | 05.30 % | 1147 | 1.31 % | Bear Lake | Paris | 2B | 1893 | 5798 | 00.38 % | 1049 | 1.20 % | Benewah | St. Maries | 3B | 1915 | 9352 | 00.61 % | 784 | 0.90 % | Bingham | Blackfoot | 4B | 1885 | 43903 | 02.88 % | 2120 | 2.42 % | Blaine | Hailey | 5B | 1895 | 21731 | 01.43 % | 2661 | 3.04 % | Boise | Idaho City | 6B | 1864 | 7504 | 00.49 % | 1907 | 2.18 % | Bonner | Sandpoint | 7B | 1907 | 41168 | 02.70 % | 1920 | 2.19 % | Bonneville | Idaho Falls | 8B | 1911 | 99135 | 06.51 % | 1901 | 2.17 % | Boundary | Bonners Ferry | 9B | 1915 | 10962 | 00.72 % | 1278 | 1.46 % | Butte | Arco | 10B | 1917 | 2751 | 00.18 % | 2234 | 2.55 % | Camas | Fairfield | 1C | 1917 | 1126 | 00.07 % | 1079 | 1.23 % | Canyon | Caldwell | 2C | 1891 | 183939 | 12.07 % | 604 | 0.69 % | Caribou | Soda Springs | 3C | 1919 | 6826 | 00.45 % | 1799 | 2.06 % | Cassia | Burley | 4C | 1879 | 21348 | 01.40 % | 2580 | 2.95 % | Clark | Dubois | 5C | 1919 | 910 | 00.06 % | 1765 | 2.02 % | Clearwater | Orofino | 6C | 1911 | 8176 | 00.54 % | 2488 | 2.84 % | Custer | Challis | 7C | 1881 | 4254 | 00.28 % | 4937 | 5.64 % | Elmore | Mountain Home | E | 1889 | 28997 | 01.90 % | 3101 | 3.54 % | Franklin | Preston | 1F | 1913 | 12454 | 00.82 % | 668 | 0.76 % | Fremont | St. Anthony | 2F | 1893 | 12551 | 00.82 % | 1896 | 2.17 % | Gem | Emmett | 1G | 1915 | 16513 | 01.08 % | 566 | 0.65 % | Gooding | Gooding | 2G | 1913 | 14295 | 00.94 % | 734 | 0.84 % | Idaho | Grangeville | I | 1861/1864 | 15448 | 01.01 % | 8502 | 9.71 % | Jefferson | Rigby | 1J | 1913 | 23860 | 01.57 % | 1106 | 1.26 % | Jerome | Jerome | 2J | 1919 | 20468 | 01.34 % | 602 | 0.69 % | Kootenai | Coeur d'Alene | K | 1864 | 137475 | 09.02 % | 1316 | 1.50 % | Latah | Moscow | 1L | 1888 | 35906 | 02.36 % | 1077 | 1.23 % | Lemhi | Salmon | 2L | 1869 | 7808 | 00.51 % | 4570 | 5.22 % | Lewis | Nezperce | 3L | 1911 | 3594 | 00.24 % | 480 | 0.55 % | Lincoln | Shoshone | 4L | 1895 | 4503 | 00.30 % | 1206 | 1.38 % | Madison | Rexburg | 1M | 1914 | 37456 | 02.46 % | 473 | 0.54 % | Minidoka | Rupert | 2M | 1913 | 18645 | 01.22 % | 763 | 0.87 % | Nez Perce | Lewiston | N | 1861/1864 | 38975 | 02.56 % | 856 | 0.98 % | Oneida | Malad City | 1O | 1864 | 4130 | 00.27 % | 1202 | 1.37 % | Owyhee | Murphy | 2O | 1863 | 10877 | 00.71 % | 7697 | 8.79 % | Payette | Payette | 1P | 1917 | 22966 | 01.51 % | 410 | 0.47 % | Power | American Falls | 2P | 1913 | 7683 | 00.50 % | 1443 | 1.65 % | Shoshone | Wallace | S | 1861/1864 | 12913 | 00.85 % | 2636 | 3.01 % | Teton | Driggs | 1T | 1915 | 8833 | 00.58 % | 451 | 0.52 % | Twin Falls | Twin Falls | 2T | 1907 | 74284 | 04.87 % | 1928 | 2.20 % | Valley | Cascade | V | 1917 | 8862 | 00.58 % | 3734 | 4.27 % | Washington | Weiser | W | 1879 | 10206 | 00.67 % | 1474 | 1.68 %