| Rank | City | 2009 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Boise City | 204,778 | 0.6% |
| 2 | Nampa | 80,366 | 4.9% |
| 3 | Meridian | 66,377 | 7.7% |
| 4 | Pocatello | 54,986 | 0.8% |
| 5 | Idaho Falls | 54,346 | 0.8% |
| 6 | Coeur d'Alene | 43,086 | 2.7% |
| 7 | Caldwell | 42,295 | 5.5% |
| 8 | Twin Falls | 42,087 | 2.4% |
| 9 | Lewiston | 31,661 | 0.3% |
| 10 | Rexburg | 28,459 | 6.0% |
| 11 | Post Falls | 26,315 | 4.8% |
| 12 | Moscow | 24,252 | 1.6% |
| 13 | Eagle | 19,397 | 5.7% |
| 14 | Ammon | 13,628 | 9.6% |
| 15 | Kuna | 13,250 | 9.4% |
| 16 | Hayden | 12,922 | 4.0% |
| 17 | Mountain Home | 12,350 | 0.9% |
| 18 | Chubbuck | 11,920 | 2.6% |
| 19 | Garden City | 11,789 | 1.2% |
| 20 | Blackfoot | 11,006 | 0.6% |
| 21 | Jerome | 9,200 | 1.6% |
| 22 | Burley | 9,172 | -0.3% |
| 23 | Sandpoint | 8,357 | 2.5% |
| 24 | Hailey | 7,993 | 3.0% |
| 25 | Payette | 7,653 | 0.7% |
| 26 | Rathdrum | 6,783 | 4.3% |
| 27 | Emmett | 6,314 | 1.4% |
| 28 | Middleton | 5,541 | 7.4% |
| 29 | Weiser | 5,202 | -0.5% |
| 30 | Rupert | 5,127 | -1.2% |
| 31 | Preston | 5,067 | 1.0% |
| 32 | Star | 5,012 | 12.7% |
| 33 | Fruitland | 4,749 | 2.5% |
| 34 | Shelley | 4,252 | 1.2% |
| 35 | American Falls | 4,095 | -0.0% |
| 36 | Buhl | 4,088 | 0.3% |
| 37 | St. Anthony | 3,447 | 0.3% |
| 38 | Rigby | 3,414 | 1.4% |
| 39 | Ketchum | 3,319 | 1.2% |
| 40 | Gooding | 3,231 | -0.6% |
| 41 | Kimberly | 3,158 | 2.2% |
| 42 | Salmon | 3,150 | -0.3% |
| 43 | Grangeville | 3,087 | -0.5% |
| 44 | Soda Springs | 3,081 | -1.1% |
| 45 | Orofino | 3,040 | -0.8% |
| 46 | Heyburn | 2,716 | -0.8% |
| 47 | St. Maries | 2,650 | -0.1% |
| 48 | McCall | 2,604 | 2.8% |
| 49 | Bonners Ferry | 2,596 | -0.2% |
| 50 | Homedale | 2,534 | – |
| 51 | Wendell | 2,450 | 0.4% |
| 52 | Dalton Gardens | 2,377 | 0.5% |
| 53 | Montpelier | 2,361 | -2.0% |
| 54 | Bellevue | 2,215 | 2.1% |
| 55 | Kellogg | 2,210 | -1.1% |
| 56 | Filer | 2,172 | 2.5% |
| 57 | Malad City | 2,101 | -0.3% |
| 58 | Priest River | 1,976 | 1.1% |
| 59 | Parma | 1,879 | 0.7% |
| 60 | Victor | 1,867 | 7.8% |
| 61 | Aberdeen | 1,761 | -0.5% |
| 62 | Spirit Lake | 1,728 | 2.7% |
| 63 | Shoshone | 1,594 | 1.5% |
| 64 | Pinehurst | 1,580 | -0.6% |
| 65 | Sugar City | 1,541 | 2.2% |
| 66 | Wilder | 1,477 | 0.1% |
| 67 | Sun Valley | 1,476 | 0.4% |
| 68 | New Plymouth | 1,450 | 0.4% |
| 69 | Driggs | 1,408 | 2.2% |
| 70 | Glenns Ferry | 1,402 | -1.6% |
| 71 | Osburn | 1,385 | -1.3% |
| 72 | Iona | 1,332 | 1.0% |
| 73 | Lapwai | 1,121 | -0.1% |
| 74 | Kamiah | 1,102 | -0.6% |
| 75 | Ashton | 1,087 | -0.5% |
| 76 | Ucon | 1,084 | 1.7% |
| 77 | Hansen | 1,028 | 0.7% |
| 78 | Cottonwood | 1,024 | 1.0% |
| 79 | Cascade | 1,004 | -0.1% |
| 80 | Plummer | 1,002 | – |
| 81 | Arco | 995 | -0.5% |
| 82 | Marsing | 969 | 1.0% |
| 83 | Grace | 940 | -0.7% |
| 84 | Challis | 939 | -0.4% |
| 85 | Paul | 927 | -1.0% |
| 86 | Genesee | 912 | -0.3% |
| 87 | Greenleaf | 895 | 0.4% |
| 88 | Horseshoe Bend | 869 | 0.3% |
| 89 | Wallace | 856 | -1.4% |
| 90 | McCammon | 837 | 0.3% |
| 91 | Hagerman | 820 | 0.7% |
| 92 | Troy | 803 | -0.2% |
| 93 | Potlatch | 768 | -0.3% |
| 94 | Hauser | 767 | 0.2% |
| 95 | Mullan | 745 | -1.4% |
| 96 | Hazelton | 744 | 0.9% |
| 97 | Inkom | 734 | -0.2% |
| 98 | Ponderay | 732 | 1.2% |
| 99 | Moyie Springs | 728 | 1.2% |
| 100 | Menan | 722 | 0.3% |
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