RANKING · 2020 CENSUS · 36 SHOWN OF 36

Fastest growing, Idaho cities · 2020

Idaho cities ranked by population growth from the 2010 census to 2020. This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

Flip the list · Fastest shrinking, US cities →

IdahoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Star, IDID20,874+91.9%–

02Middleton, IDID12,600+70.6%+31%

03Kuna, IDID31,525+57.9%−67%

04Meridian, IDID142,988+56.7%−79%

05Rexburg, IDID40,334+54.6%+164%

06Eagle, IDID34,658+52.4%−78%

07Kimberly, IDID5,798+41.7%+295%

08Post Falls, IDID46,715+39.6%−71%

09Rathdrum, IDID13,227+34.9%−75%

10Caldwell, IDID76,629+29.8%−28%

11Fruitland, IDID7,213+29.6%−48%

12Ammon, IDID20,119+28.1%+18%

13Rigby, IDID5,757+27.7%+134%

14Coeur d'Alene, IDID58,179+23.8%−41%

15Nampa, IDID120,384+22.9%−72%

16Twin Falls, IDID56,216+17.4%−30%

17Sandpoint, IDID10,645+17.3%−44%

18Hayden, IDID17,363+17.1%−88%

19Emmett, IDID8,900+16.6%−14%

20Hailey, IDID10,053+15.1%−78%

21Boise City, IDID238,429+14.6%−69%

22Idaho Falls, IDID71,785+14.1%−9%

23Jerome, IDID13,731+13.4%−30%

24Burley, IDID12,409+13.1%+91%

25Mountain Home, IDID16,779+12.5%−69%

26Garden City, IDID13,047+12.2%−82%

27Chubbuck, IDID16,823+11.8%−49%

28Rupert, IDID6,460+9.5%+173%

29Payette, IDID8,813+9.3%−64%

30Shelley, IDID5,303+8.5%+9%

31Preston, IDID6,177+7.4%−72%

32Lewiston, IDID34,717+7.2%−28%

33Moscow, IDID26,721+6.9%−54%

34Pocatello, IDID58,771+3.8%−68%

35Blackfoot, IDID13,361+3.8%−53%

36Weiser, IDID6,249+2.2%−87%

SHOWING 1–36 OF 36

Download CSV (full list, 36 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS