Fastest Growing Cities in Idaho (2025)

92 cities

City
Rank
Change
2025 Pop.
2020 Pop.
Ponderay110.03%2,3911,303
Paul29.26%2,0761,198
Star39.07%19,59011,447
Tyhee47.12%1,8361,335
Avimor57.11%1,6421,211
Rathdrum66.19%13,1079,289
Sugar City75.75%2,3721,729
Middleton84.23%11,9879,559
Kimberly94.22%5,8314,651
Sandpoint104.12%10,8868,730
Kuna114.07%30,42724,484
Post Falls123.96%48,49439,253
Driggs133.74%2,4391,998
Iona143.72%3,3452,745
Meridian153.66%145,039119,443
Nampa163.64%122,906101,310
Caldwell173.62%73,46660,641
Fruitland183.6%7,3926,109
Emmett192.94%9,0067,721
Rigby202.92%5,9135,072
Ammon212.88%20,77817,875
Hidden Springs222.87%3,9103,416
Plummer232.8%1,1761,018
McCall242.75%4,2963,721
Franklin252.61%1,1801,029
Grangeville262.59%3,8093,328
Preston272.57%6,4345,629
St. Anthony282.57%4,2363,708
Priest River292.43%1,8941,669
Homedale302.42%3,3002,910
Shelley312.21%5,4164,831
Weiser322.13%6,3205,660
Filer332.12%3,0792,759
Groveland342.09%1,2681,091
Hailey352.04%10,2349,208
Bonners Ferry361.96%2,8052,534
Kamiah371.9%1,2311,118
Jerome381.89%13,64112,376
Ucon391.83%1,2801,167
Pinehurst401.82%1,8461,681
Riverside411.8%1,1331,131
Salmon421.76%3,4133,117
Wilder431.75%1,7451,595
Spirit Lake441.75%2,5662,348
Kellogg451.73%2,5362,320
Twin Falls461.7%56,84952,083
Payette471.69%8,9328,192
Osburn481.66%1,7141,576
Victor491.64%2,3612,170
Hayden501.54%16,93515,652
American Falls511.5%4,9274,561
Eagle521.47%33,28530,870
Blackfoot531.45%13,38012,427
Aberdeen541.44%1,8971,761
St. Maries551.44%2,5452,364
Chubbuck561.39%16,82415,669
Genesee571.38%1,1051,030
Shoshone581.32%1,7701,657
Mountain Home591.29%17,13916,048
Garden City601.26%13,11012,295
Rupert611.14%6,4706,104
Coeur621.13%58,19554,942
Moscow631.09%26,96825,515
New Plymouth641.07%1,6001,514
Burley651.05%12,40411,759
Buhl661.03%4,8134,567
Idaho Falls671.02%69,39865,905
Lapwai680.99%1,2291,169
Montpelier690.95%2,7672,637
Pocatello700.93%59,14956,436
Wendell710.92%3,0662,925
Parma720.83%2,1852,094
Orofino730.81%3,3673,231
Gooding740.76%3,8593,716
Malad City750.72%2,3772,294
Hansen760.71%1,1271,089
Marsing770.71%1,2731,230
Lewiston780.56%35,23034,245
Glenns Ferry790.53%1,3181,283
Soda Springs800.53%3,2043,121
Robie Creek810.48%1,2561,380
Ketchum820.47%3,6443,561
Rexburg830.46%40,34439,421
Moreland840.37%1,3591,246
Heyburn850.21%3,7413,703
Bellevue860.15%2,5822,564
Lincoln870%3,6363,380
Boise City88-0.09%235,012236,034
Mountain Home AFB89-0.16%3,1703,151
Dalton Gardens90-0.36%2,4952,539
Sun Valley91-0.4%1,7571,791
Fort Hall92-1.95%2,4602,733

Idaho Growth Overview

Idaho's cities with over 1,000 residents show varied growth patterns from 2020 to 2025. Ponderay leads with 10.03% annualized growth, followed by Paul (9.26%) and Star (9.07%). The largest population centers are Boise City (235,012), Meridian (145,039), and Nampa (122,906). Of the 92 cities over 1,000 population, 87 are growing while 5 experienced population decline. Overall, cities averaged 2.14% annualized growth, with total urban population growing by 11.06% annually.