RANKING · 2020 CENSUS · 36 SHOWN OF 36

Fastest shrinking, Idaho cities · 2020

Idaho cities with the steepest population decline from the 2010 census to 2020. 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

01Weiser, IDID6,249+2.2%−14.7 pts

02Blackfoot, IDID13,361+3.8%−4.3 pts

03Pocatello, IDID58,771+3.8%−7.9 pts

04Moscow, IDID26,721+6.9%−8.1 pts

05Lewiston, IDID34,717+7.2%−2.8 pts

06Preston, IDID6,177+7.4%−18.8 pts

07Shelley, IDID5,303+8.5%+0.7 pts

08Payette, IDID8,813+9.3%−16.8 pts

09Rupert, IDID6,460+9.5%+6.0 pts

10Chubbuck, IDID16,823+11.8%−11.3 pts

11Garden City, IDID13,047+12.2%−54.6 pts

12Mountain Home, IDID16,779+12.5%−28.3 pts

13Burley, IDID12,409+13.1%+6.3 pts

14Jerome, IDID13,731+13.4%−5.8 pts

15Idaho Falls, IDID71,785+14.1%−1.4 pts

16Boise City, IDID238,429+14.6%−33.2 pts

17Hailey, IDID10,053+15.1%−53.1 pts

18Emmett, IDID8,900+16.6%−2.7 pts

19Hayden, IDID17,363+17.1%−127.5 pts

20Sandpoint, IDID10,645+17.3%−13.4 pts

21Twin Falls, IDID56,216+17.4%−7.5 pts

22Nampa, IDID120,384+22.9%−60.0 pts

23Coeur d'Alene, IDID58,179+23.8%−16.7 pts

24Rigby, IDID5,757+27.7%+15.9 pts

25Ammon, IDID20,119+28.1%+4.4 pts

26Fruitland, IDID7,213+29.6%−27.0 pts

27Caldwell, IDID76,629+29.8%−11.4 pts

28Rathdrum, IDID13,227+34.9%−105.9 pts

29Post Falls, IDID46,715+39.6%−95.1 pts

30Kimberly, IDID5,798+41.7%+31.2 pts

31Eagle, IDID34,658+52.4%−180.8 pts

32Rexburg, IDID40,334+54.6%+34.0 pts

33Meridian, IDID142,988+56.7%−207.2 pts

34Kuna, IDID31,525+57.9%−117.4 pts

35Middleton, IDID12,600+70.6%+16.7 pts

36Star, IDID20,874+91.9%–

SHOWING 1–36 OF 36

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS