RANKING · 2000 CENSUS · 35 SHOWN OF 35

Fastest shrinking, Idaho cities · 2000

Idaho cities with the steepest population decline since the prior decennial census. This list covers the 35 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

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Rupert, IDID6,460+3.5%+0%

02Burley, IDID12,409+6.9%+0%

03Shelley, IDID5,303+7.8%+0%

04Blackfoot, IDID13,361+8.0%+0%

05Lewiston, IDID34,717+10.0%+0%

06Kimberly, IDID5,798+10.6%+0%

07Pocatello, IDID58,771+11.7%+0%

08Rigby, IDID5,757+11.8%+0%

09Moscow, IDID26,721+15.0%+0%

10Idaho Falls, IDID71,785+15.5%+0%

11Weiser, IDID6,249+16.9%+0%

12Jerome, IDID13,731+19.2%+0%

13Emmett, IDID8,900+19.3%+0%

14Rexburg, IDID40,334+20.7%+0%

15Chubbuck, IDID16,823+23.1%+0%

16Ammon, IDID20,119+23.7%+0%

17Twin Falls, IDID56,216+24.9%+0%

18Payette, IDID8,813+26.1%+0%

19Preston, IDID6,177+26.3%+0%

20Sandpoint, IDID10,645+30.7%+0%

21Coeur d'Alene, IDID58,179+40.5%+0%

22Mountain Home, IDID16,779+40.8%+0%

23Caldwell, IDID76,629+41.1%+0%

24Boise City, IDID238,429+47.8%+0%

25Middleton, IDID12,600+53.9%+0%

26Fruitland, IDID7,213+56.6%+0%

27Garden City, IDID13,047+66.8%+0%

28Hailey, IDID10,053+68.2%+0%

29Nampa, IDID120,384+82.9%+0%

30Post Falls, IDID46,715+134.7%+0%

31Rathdrum, IDID13,227+140.8%+0%

32Hayden, IDID17,363+144.6%+0%

33Kuna, IDID31,525+175.3%+0%

34Eagle, IDID34,658+233.2%+0%

35Meridian, IDID142,988+263.9%+0%

SHOWING 1–35 OF 35

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