| Rank | City | 2003 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Boise City | 199,535 | 1.0% |
| 2 | Nampa | 61,711 | 6.1% |
| 3 | Pocatello | 52,143 | 0.6% |
| 4 | Idaho Falls | 51,014 | -0.1% |
| 5 | Meridian | 40,509 | 5.0% |
| 6 | Coeur d'Alene | 36,480 | 2.2% |
| 7 | Twin Falls | 35,733 | 1.1% |
| 8 | Lewiston | 30,502 | -0.6% |
| 9 | Caldwell | 30,105 | 4.4% |
| 10 | Moscow | 21,972 | 1.2% |
| 11 | Post Falls | 19,304 | 3.2% |
| 12 | Rexburg | 18,847 | 2.9% |
| 13 | Eagle | 14,715 | 8.7% |
| 14 | Mountain Home | 11,734 | 1.2% |
| 15 | Garden City | 11,024 | 1.5% |
| 16 | Blackfoot | 10,508 | 0.1% |
| 17 | Chubbuck | 10,214 | 2.4% |
| 18 | Hayden | 10,068 | 3.2% |
| 19 | Burley | 9,294 | -0.5% |
| 20 | Kuna | 8,324 | 13.7% |
| 21 | Jerome | 8,110 | -0.1% |
| 22 | Ammon | 7,789 | 9.2% |
| 23 | Payette | 7,341 | 0.5% |
| 24 | Sandpoint | 7,086 | 1.6% |
| 25 | Hailey | 7,067 | 5.7% |
| 26 | Emmett | 5,770 | 1.1% |
| 27 | Rupert | 5,394 | -2.1% |
| 28 | Weiser | 5,342 | -0.8% |
| 29 | Rathdrum | 5,090 | 2.4% |
| 30 | Preston | 4,783 | 1.0% |
| 31 | American Falls | 4,070 | -0.4% |
| 32 | Fruitland | 4,043 | 1.9% |
| 33 | Buhl | 3,961 | -0.3% |
| 34 | Shelley | 3,840 | -0.2% |
| 35 | Middleton | 3,395 | 4.0% |
| 36 | St. Anthony | 3,348 | -0.1% |
| 37 | Gooding | 3,308 | -1.2% |
| 38 | Soda Springs | 3,288 | -1.3% |
| 39 | Grangeville | 3,157 | -0.9% |
| 40 | Salmon | 3,133 | -1.5% |
| 41 | Orofino | 3,128 | -1.8% |
| 42 | Ketchum | 3,097 | 1.4% |
| 43 | Rigby | 3,039 | -0.3% |
| 44 | Heyburn | 2,811 | -1.6% |
| 45 | Kimberly | 2,692 | 0.9% |
| 46 | Bonners Ferry | 2,608 | -0.5% |
| 47 | Montpelier | 2,597 | -3.4% |
| 48 | St. Maries | 2,576 | -1.7% |
| 49 | Homedale | 2,517 | -0.3% |
| 50 | Wendell | 2,354 | -0.4% |
| 51 | Dalton Gardens | 2,284 | 0.0% |
| 52 | Kellogg | 2,274 | -3.0% |
| 53 | Star | 2,189 | 6.5% |
| 54 | Malad City | 2,107 | -1.1% |
| 55 | McCall | 2,103 | 0.3% |
| 56 | Bellevue | 2,000 | 3.1% |
| 57 | Priest River | 1,839 | 0.8% |
| 58 | Aberdeen | 1,820 | -0.5% |
| 59 | Filer | 1,806 | 0.6% |
| 60 | Parma | 1,802 | 0.7% |
| 61 | Pinehurst | 1,574 | -2.6% |
| 62 | Glenns Ferry | 1,566 | -1.1% |
| 63 | Wilder | 1,471 | 0.2% |
| 64 | Sun Valley | 1,451 | 0.8% |
| 65 | Osburn | 1,450 | -2.9% |
| 66 | Shoshone | 1,438 | 1.0% |
| 67 | Spirit Lake | 1,428 | 1.0% |
| 68 | New Plymouth | 1,388 | -0.4% |
| 69 | Sugar City | 1,316 | 0.8% |
| 70 | Iona | 1,227 | -0.0% |
| 71 | Driggs | 1,205 | 1.1% |
| 72 | Victor | 1,193 | 7.9% |
| 73 | Kamiah | 1,123 | -1.4% |
| 74 | Ashton | 1,118 | -0.4% |
| 75 | Lapwai | 1,113 | -0.8% |
| 76 | Arco | 1,032 | -0.2% |
| 77 | Cottonwood | 1,014 | 3.8% |
| 78 | Grace | 975 | -0.9% |
| 79 | Cascade | 972 | -1.9% |
| 80 | Hansen | 971 | 0.1% |
| 81 | Plummer | 969 | -1.7% |
| 82 | Paul | 967 | -2.0% |
| 83 | Ucon | 945 | -0.1% |
| 84 | Genesee | 939 | 0.1% |
| 85 | Marsing | 933 | 2.0% |
| 86 | Challis | 918 | -2.8% |
| 87 | Wallace | 898 | -3.1% |
| 88 | Greenleaf | 874 | 0.6% |
| 89 | Horseshoe Bend | 867 | 1.1% |
| 90 | McCammon | 836 | 1.0% |
| 91 | Troy | 820 | 0.2% |
| 92 | Hagerman | 790 | 0.9% |
| 93 | Potlatch | 786 | 0.1% |
| 94 | Mullan | 784 | -3.0% |
| 95 | Council | 777 | -2.5% |
| 96 | Hauser | 758 | 0.1% |
| 97 | Inkom | 755 | 0.6% |
| 98 | Oakley | 716 | -0.4% |
| 99 | Menan | 706 | -0.1% |
| 100 | Hazelton | 695 | 0.2% |
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