83 cities
| City | Rank | Annual Change ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Star | 1 | 9.25% | 19,893 | 11,466 |
| Ponderay | 2 | 8.75% | 2,187 | 1,305 |
| Paul | 3 | 7.61% | 1,853 | 1,197 |
| Sugar City | 4 | 6.89% | 2,560 | 1,733 |
| Rathdrum | 5 | 6.6% | 13,459 | 9,291 |
| Middleton | 6 | 4.6% | 12,270 | 9,567 |
| Caldwell | 7 | 4.22% | 76,174 | 60,743 |
| Kimberly | 8 | 4.18% | 5,826 | 4,653 |
| Sandpoint | 9 | 4.1% | 10,872 | 8,731 |
| Kuna | 10 | 3.96% | 30,280 | 24,515 |
| Meridian | 11 | 3.62% | 144,801 | 119,496 |
| Post Falls | 12 | 3.55% | 47,424 | 39,304 |
| Fruitland | 13 | 3.4% | 7,319 | 6,114 |
| Nampa | 14 | 3.39% | 121,330 | 101,430 |
| Driggs | 15 | 3.17% | 2,406 | 2,033 |
| Emmett | 16 | 3.07% | 9,073 | 7,723 |
| Iona | 17 | 2.89% | 3,203 | 2,751 |
| Victor | 18 | 2.78% | 2,510 | 2,170 |
| Ammon | 19 | 2.76% | 20,649 | 17,876 |
| Rigby | 20 | 2.67% | 5,835 | 5,073 |
| Plummer | 21 | 2.4% | 1,152 | 1,016 |
| St. Anthony | 22 | 2.35% | 4,189 | 3,707 |
| McCall | 23 | 2.34% | 4,200 | 3,718 |
| Priest River | 24 | 2.33% | 1,890 | 1,674 |
| Bonners Ferry | 25 | 2.26% | 2,851 | 2,536 |
| Franklin | 26 | 2.22% | 1,153 | 1,027 |
| Preston | 27 | 2.16% | 6,293 | 5,625 |
| Filer | 28 | 2.07% | 3,103 | 2,787 |
| Jerome | 29 | 2.07% | 13,760 | 12,365 |
| Grangeville | 30 | 2.04% | 3,701 | 3,328 |
| Shelley | 31 | 2% | 5,367 | 4,841 |
| Hailey | 32 | 1.93% | 10,169 | 9,203 |
| Hayden | 33 | 1.88% | 17,242 | 15,650 |
| Wilder | 34 | 1.86% | 1,757 | 1,596 |
| Homedale | 35 | 1.84% | 3,205 | 2,912 |
| Weiser | 36 | 1.83% | 6,224 | 5,663 |
| Genesee | 37 | 1.63% | 1,121 | 1,031 |
| Payette | 38 | 1.58% | 8,892 | 8,200 |
| Twin Falls | 39 | 1.56% | 56,457 | 52,116 |
| Blackfoot | 40 | 1.54% | 13,427 | 12,410 |
| American Falls | 41 | 1.52% | 4,937 | 4,567 |
| New Plymouth | 42 | 1.43% | 1,631 | 1,515 |
| Pinehurst | 43 | 1.4% | 1,809 | 1,684 |
| Eagle | 44 | 1.38% | 33,913 | 31,603 |
| Chubbuck | 45 | 1.37% | 16,804 | 15,667 |
| Shoshone | 46 | 1.37% | 1,781 | 1,660 |
| Idaho Falls | 47 | 1.29% | 70,421 | 65,929 |
| Moscow | 48 | 1.28% | 27,237 | 25,521 |
| Aberdeen | 49 | 1.24% | 1,879 | 1,763 |
| Mountain Home | 50 | 1.24% | 17,121 | 16,073 |
| Garden City | 51 | 1.23% | 13,095 | 12,298 |
| Kellogg | 52 | 1.23% | 2,471 | 2,320 |
| Salmon | 53 | 1.23% | 3,297 | 3,096 |
| St. Maries | 54 | 1.21% | 2,517 | 2,365 |
| Osburn | 55 | 1.19% | 1,698 | 1,597 |
| Spirit Lake | 56 | 1.18% | 2,494 | 2,346 |
| Rupert | 57 | 1.1% | 6,413 | 6,063 |
| Parma | 58 | 1.09% | 2,222 | 2,101 |
| Coeur d'Alene | 59 | 1.05% | 57,955 | 54,954 |
| Buhl | 60 | 0.99% | 4,808 | 4,570 |
| Ucon | 61 | 0.99% | 1,230 | 1,168 |
| Kamiah | 62 | 0.95% | 1,174 | 1,117 |
| Burley | 63 | 0.92% | 12,323 | 11,763 |
| Wendell | 64 | 0.86% | 3,058 | 2,928 |
| Pocatello | 65 | 0.77% | 58,680 | 56,434 |
| Lapwai | 66 | 0.72% | 1,258 | 1,213 |
| Gooding | 67 | 0.68% | 3,851 | 3,721 |
| Cascade | 68 | 0.58% | 1,032 | 1,001 |
| Rexburg | 69 | 0.57% | 40,927 | 39,764 |
| Hansen | 70 | 0.54% | 1,124 | 1,091 |
| Montpelier | 71 | 0.52% | 2,710 | 2,639 |
| Heyburn | 72 | 0.48% | 3,762 | 3,669 |
| Orofino | 73 | 0.43% | 3,299 | 3,229 |
| Soda Springs | 74 | 0.38% | 3,174 | 3,113 |
| Malad City | 75 | 0.34% | 2,334 | 2,293 |
| Ketchum | 76 | 0.33% | 3,621 | 3,558 |
| Lewiston | 77 | 0.32% | 34,803 | 34,250 |
| Marsing | 78 | 0.24% | 1,248 | 1,231 |
| Boise City | 79 | 0.2% | 238,443 | 236,043 |
| Bellevue | 80 | 0.15% | 2,586 | 2,564 |
| Glenns Ferry | 81 | 0.08% | 1,289 | 1,284 |
| Sun Valley | 82 | -0.28% | 1,766 | 1,790 |
| Dalton Gardens | 83 | -0.44% | 2,487 | 2,539 |
Idaho's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Star leads with 9.25% annualized growth, followed by Ponderay (8.75%) and Paul (7.61%). The largest population centers are Boise City (238,443), Meridian (144,801), and Nampa (121,330). Of the 83 cities over 1,000 population, 81 are growing while 2 experienced population decline. Overall, cities averaged 2.01% annualized growth, with total urban population growing by 11.24% annually.