| Rank | City | 2015 Population (Est.) | Growth Rate (Annual) |
|---|---|---|---|
| 1 | Boise City | 216,282 | 1.3% |
| 2 | Nampa | 88,211 | 2.0% |
| 3 | Meridian | 87,743 | 4.0% |
| 4 | Idaho Falls | 58,691 | 0.8% |
| 5 | Pocatello | 54,292 | 0.0% |
| 6 | Caldwell | 50,224 | 2.1% |
| 7 | Coeur d'Alene | 47,912 | 2.1% |
| 8 | Twin Falls | 46,528 | 1.3% |
| 9 | Lewiston | 32,482 | 0.5% |
| 10 | Post Falls | 29,896 | 2.0% |
| 11 | Rexburg | 27,094 | 1.5% |
| 12 | Moscow | 24,767 | 1.0% |
| 13 | Eagle | 22,502 | 3.1% |
| 14 | Kuna | 16,999 | 2.8% |
| 15 | Ammon | 14,685 | 1.5% |
| 16 | Chubbuck | 14,229 | 0.5% |
| 17 | Hayden | 13,870 | 1.1% |
| 18 | Mountain Home | 13,780 | -0.8% |
| 19 | Blackfoot | 11,814 | -0.2% |
| 20 | Garden City | 11,420 | 1.0% |
| 21 | Jerome | 11,189 | 0.7% |
| 22 | Burley | 10,480 | 0.3% |
| 23 | Hailey | 8,076 | 0.4% |
| 24 | Sandpoint | 7,760 | 1.3% |
| 25 | Payette | 7,422 | -0.0% |
| 26 | Star | 7,295 | 5.9% |
| 27 | Rathdrum | 7,283 | 1.6% |
| 28 | Emmett | 6,599 | 0.2% |
| 29 | Middleton | 6,420 | 3.8% |
| 30 | Rupert | 5,673 | 0.5% |
| 31 | Weiser | 5,356 | -0.7% |
| 32 | Preston | 5,217 | 0.1% |
| 33 | Fruitland | 4,949 | 1.4% |
| 34 | Shelley | 4,382 | -0.2% |
| 35 | American Falls | 4,314 | -0.8% |
| 36 | Buhl | 4,231 | 0.7% |
| 37 | Rigby | 4,037 | 0.6% |
| 38 | Kimberly | 3,510 | 1.8% |
| 39 | Gooding | 3,461 | -0.8% |
| 40 | St. Anthony | 3,454 | -0.6% |
| 41 | Heyburn | 3,183 | 0.8% |
| 42 | Grangeville | 3,141 | – |
| 43 | Orofino | 3,096 | -0.4% |
| 44 | Salmon | 3,033 | -0.6% |
| 45 | McCall | 3,006 | 0.1% |
| 46 | Soda Springs | 2,980 | -0.6% |
| 47 | Ketchum | 2,720 | 0.3% |
| 48 | Wendell | 2,707 | -0.7% |
| 49 | Filer | 2,655 | 1.4% |
| 50 | Homedale | 2,582 | -0.5% |
| 51 | Montpelier | 2,536 | -0.6% |
| 52 | Bonners Ferry | 2,490 | -0.5% |
| 53 | Dalton Gardens | 2,370 | 0.4% |
| 54 | St. Maries | 2,347 | -0.6% |
| 55 | Bellevue | 2,300 | 0.1% |
| 56 | Parma | 2,066 | 1.0% |
| 57 | Kellogg | 2,063 | -0.7% |
| 58 | Spirit Lake | 2,040 | 1.2% |
| 59 | Malad City | 2,017 | -0.9% |
| 60 | Iona | 1,953 | 2.0% |
| 61 | Aberdeen | 1,951 | -0.5% |
| 62 | Victor | 1,945 | 0.2% |
| 63 | Priest River | 1,751 | – |
| 64 | Driggs | 1,662 | 0.0% |
| 65 | Wilder | 1,597 | 1.0% |
| 66 | Pinehurst | 1,575 | -0.7% |
| 67 | New Plymouth | 1,510 | -0.5% |
| 68 | Osburn | 1,504 | -0.8% |
| 69 | Shoshone | 1,493 | 0.5% |
| 70 | Sun Valley | 1,412 | 0.1% |
| 71 | Sugar City | 1,367 | -2.5% |
| 72 | Kamiah | 1,297 | 0.0% |
| 73 | Marsing | 1,295 | 5.9% |
| 74 | Glenns Ferry | 1,241 | -1.5% |
| 75 | Hansen | 1,226 | 1.7% |
| 76 | Paul | 1,188 | 0.4% |
| 77 | Lapwai | 1,149 | 0.3% |
| 78 | Ponderay | 1,136 | -0.0% |
| 79 | Ucon | 1,128 | 0.4% |
| 80 | Ashton | 1,064 | -1.4% |
| 81 | Challis | 1,056 | -0.6% |
| 82 | Plummer | 1,026 | -0.4% |
| 83 | Genesee | 956 | 0.0% |
| 84 | Cascade | 919 | -0.5% |
| 85 | Cottonwood | 918 | 0.5% |
| 86 | Grace | 905 | -0.3% |
| 87 | Arco | 896 | -2.6% |
| 88 | Troy | 881 | 0.5% |
| 89 | Greenleaf | 878 | 0.9% |
| 90 | Inkom | 863 | 0.3% |
| 91 | Hagerman | 856 | -0.5% |
| 92 | Council | 812 | -0.8% |
| 93 | Potlatch | 806 | 0.1% |
| 94 | McCammon | 797 | -0.4% |
| 95 | Oakley | 790 | 0.9% |
| 96 | Kootenai | 770 | 3.2% |
| 97 | Wallace | 760 | -0.8% |
| 98 | Hazelton | 747 | -0.2% |
| 99 | Menan | 747 | 0.2% |
| 100 | Franklin | 741 | 3.7% |
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