RANKING · 2010 CENSUS · 36 SHOWN OF 36

Fastest shrinking, Idaho cities · 2010

Idaho cities with the steepest population decline since the prior decennial census. This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Rupert, IDID6,460-1.6%−146%

02Weiser, IDID6,249+3.1%−82%

03Lewiston, IDID34,717+3.2%−68%

04Garden City, IDID13,047+3.3%−95%

05Payette, IDID8,813+5.4%−79%

06Pocatello, IDID58,771+5.4%−54%

07Sandpoint, IDID10,645+7.8%−75%

08Boise City, IDID238,429+10.7%−78%

09Burley, IDID12,409+11.0%+60%

10Preston, IDID6,177+11.1%−58%

11Moscow, IDID26,721+11.8%−21%

12Idaho Falls, IDID71,785+12.0%−23%

13Blackfoot, IDID13,361+14.2%+77%

14Shelley, IDID5,303+15.6%+100%

15Emmett, IDID8,900+19.4%+1%

16Fruitland, IDID7,213+23.1%−59%

17Kimberly, IDID5,798+24.9%+135%

18Mountain Home, IDID16,779+27.5%−33%

19Coeur d'Alene, IDID58,179+27.9%−31%

20Twin Falls, IDID56,216+28.0%+12%

21Hailey, IDID10,053+28.4%−58%

22Rigby, IDID5,757+31.6%+167%

23Jerome, IDID13,731+40.0%+109%

24Rathdrum, IDID13,227+41.7%−70%

25Chubbuck, IDID16,823+43.5%+88%

26Hayden, IDID17,363+45.1%−69%

27Rexburg, IDID40,334+47.7%+131%

28Nampa, IDID120,384+57.2%−31%

29Post Falls, IDID46,715+59.9%−56%

30Caldwell, IDID76,629+78.1%+90%

31Eagle, IDID34,658+79.6%−66%

32Middleton, IDID12,600+85.5%+59%

33Meridian, IDID142,988+115.0%−56%

34Ammon, IDID20,119+123.3%+420%

35Kuna, IDID31,525+182.6%+4%

36Star, IDID20,874+222.7%–

SHOWING 1–36 OF 36

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES