| Rank | City | 2000 Population | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Boise City | 195,589 | 3.8% |
| 2 | Nampa | 54,770 | 6.2% |
| 3 | Pocatello | 51,552 | 1.1% |
| 4 | Idaho Falls | 51,110 | 1.5% |
| 5 | Meridian | 36,727 | 13.6% |
| 6 | Twin Falls | 34,949 | 2.2% |
| 7 | Coeur d'Alene | 34,932 | 3.6% |
| 8 | Lewiston | 30,871 | 0.9% |
| 9 | Caldwell | 27,639 | 3.9% |
| 10 | Moscow | 21,437 | 1.4% |
| 11 | Post Falls | 18,139 | 9.0% |
| 12 | Rexburg | 17,792 | 2.2% |
| 13 | Eagle | 12,451 | 10.5% |
| 14 | Mountain Home | 11,451 | 3.4% |
| 15 | Garden City | 10,695 | 4.5% |
| 16 | Blackfoot | 10,483 | 0.8% |
| 17 | Chubbuck | 9,738 | 2.2% |
| 18 | Hayden | 9,461 | 6.9% |
| 19 | Burley | 9,393 | 0.6% |
| 20 | Jerome | 8,129 | 2.1% |
| 21 | Payette | 7,261 | 2.2% |
| 22 | Sandpoint | 6,871 | 2.6% |
| 23 | Ammon | 6,529 | 2.8% |
| 24 | Kuna | 6,436 | 11.7% |
| 25 | Hailey | 6,323 | 5.6% |
| 26 | Emmett | 5,648 | 1.9% |
| 27 | Rupert | 5,630 | -0.5% |
| 28 | Weiser | 5,424 | 1.6% |
| 29 | Rathdrum | 4,855 | 9.2% |
| 30 | Preston | 4,693 | 2.1% |
| 31 | American Falls | 4,101 | 0.8% |
| 32 | Buhl | 3,986 | 1.1% |
| 33 | Fruitland | 3,894 | 4.6% |
| 34 | Shelley | 3,858 | 0.6% |
| 35 | Gooding | 3,387 | 1.7% |
| 36 | Soda Springs | 3,377 | 0.8% |
| 37 | St. Anthony | 3,356 | 0.9% |
| 38 | Orofino | 3,243 | 0.2% |
| 39 | Salmon | 3,226 | 0.6% |
| 40 | Grangeville | 3,215 | -0.0% |
| 41 | Middleton | 3,138 | 5.3% |
| 42 | Rigby | 3,057 | 1.0% |
| 43 | Ketchum | 3,011 | 1.5% |
| 44 | Heyburn | 2,906 | 0.9% |
| 45 | Montpelier | 2,781 | 0.4% |
| 46 | St. Maries | 2,664 | 0.5% |
| 47 | Kimberly | 2,646 | 1.3% |
| 48 | Bonners Ferry | 2,633 | 1.8% |
| 49 | Homedale | 2,534 | 2.3% |
| 50 | Kellogg | 2,415 | -0.6% |
| 51 | Wendell | 2,373 | 2.1% |
| 52 | Dalton Gardens | 2,283 | 2.0% |
| 53 | Malad City | 2,156 | 0.5% |
| 54 | McCall | 2,092 | -0.8% |
| 55 | Star | 1,930 | 13.3% |
| 56 | Bellevue | 1,882 | 3.7% |
| 57 | Aberdeen | 1,837 | 2.7% |
| 58 | Priest River | 1,809 | 1.3% |
| 59 | Filer | 1,783 | 1.2% |
| 60 | Parma | 1,777 | 1.1% |
| 61 | Pinehurst | 1,658 | -0.3% |
| 62 | Glenns Ferry | 1,601 | 2.0% |
| 63 | Osburn | 1,539 | -0.2% |
| 64 | Wilder | 1,465 | 1.7% |
| 65 | Sun Valley | 1,427 | 3.9% |
| 66 | Shoshone | 1,411 | 1.2% |
| 67 | Spirit Lake | 1,401 | 5.4% |
| 68 | New Plymouth | 1,399 | 0.8% |
| 69 | Sugar City | 1,296 | 0.4% |
| 70 | Iona | 1,228 | 0.8% |
| 71 | Driggs | 1,179 | 3.3% |
| 72 | Kamiah | 1,154 | -0.0% |
| 73 | Lapwai | 1,132 | 2.2% |
| 74 | Ashton | 1,127 | 0.0% |
| 75 | Arco | 1,036 | 0.1% |
| 76 | Victor | 1,024 | 13.0% |
| 77 | Cascade | 1,010 | 1.6% |
| 78 | Paul | 1,007 | 0.7% |
| 79 | Plummer | 1,002 | 2.3% |
| 80 | Grace | 992 | 0.2% |
| 81 | Challis | 972 | -1.0% |
| 82 | Hansen | 970 | 1.1% |
| 83 | Wallace | 956 | -1.8% |
| 84 | Ucon | 946 | 0.6% |
| 85 | Cottonwood | 942 | 0.7% |
| 86 | Genesee | 937 | 2.6% |
| 87 | Marsing | 897 | 1.3% |
| 88 | Greenleaf | 864 | 2.8% |
| 89 | Horseshoe Bend | 849 | 2.8% |
| 90 | Mullan | 834 | 0.9% |
| 91 | McCammon | 819 | 1.3% |
| 92 | Council | 817 | -0.2% |
| 93 | Troy | 816 | 2.0% |
| 94 | Potlatch | 784 | -0.0% |
| 95 | Hagerman | 776 | 2.1% |
| 96 | Hauser | 757 | 6.7% |
| 97 | Inkom | 746 | -0.4% |
| 98 | Oakley | 722 | 0.9% |
| 99 | Dubois | 707 | 5.3% |
| 100 | Menan | 707 | 1.0% |
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