RANKING · 2024 ACS · 36 SHOWN OF 36

Fastest shrinking, Idaho cities

Idaho cities with the steepest population decline from the 2020 census to 2024. This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

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IdahoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Boise City, IDID238,429+0.7%−99%

02Lewiston, IDID34,717+1.3%−87%

03Rupert, IDID6,460+1.8%−49%

04Burley, IDID12,409+2.2%−68%

05Pocatello, IDID58,771+2.3%−80%

06Garden City, IDID13,047+2.7%−96%

07Rexburg, IDID40,334+2.9%−86%

08Mountain Home, IDID16,779+3.2%−92%

09Coeur d'Alene, IDID58,179+3.3%−92%

10Moscow, IDID26,721+3.3%−78%

11Blackfoot, IDID13,361+3.5%−56%

12Chubbuck, IDID16,823+3.6%−85%

13Idaho Falls, IDID71,785+4.5%−71%

14Twin Falls, IDID56,216+4.5%−82%

15Jerome, IDID13,731+4.7%−75%

16Hayden, IDID17,363+4.9%−97%

17Payette, IDID8,813+5.0%−81%

18Weiser, IDID6,249+5.4%−68%

19Hailey, IDID10,053+5.5%−92%

20Preston, IDID6,177+6.0%−77%

21Shelley, IDID5,303+6.4%−18%

22Rigby, IDID5,757+7.3%−39%

23Ammon, IDID20,119+7.7%−67%

24Emmett, IDID8,900+8.2%−57%

25Eagle, IDID34,658+8.3%−96%

26Fruitland, IDID7,213+9.7%−83%

27Nampa, IDID120,384+10.1%−88%

28Kimberly, IDID5,798+10.5%−1%

29Meridian, IDID142,988+10.6%−96%

30Caldwell, IDID76,629+10.9%−74%

31Sandpoint, IDID10,645+11.6%−62%

32Post Falls, IDID46,715+12.7%−91%

33Middleton, IDID12,600+13.0%−76%

34Kuna, IDID31,525+13.1%−93%

35Rathdrum, IDID13,227+18.1%−87%

36Star, IDID20,874+32.6%–

SHOWING 1–36 OF 36

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES