RANKING · 2020 CENSUS · 36 SHOWN OF 36

Most population lost, Idaho cities · 2020

Idaho cities that lost the most residents from the 2010 census to 2020, by raw count of people rather than percentage. This list covers the 36 cities in Idaho that qualify, ranked against each other statewide. The median across all 36 is +2,065.

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SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Weiser, IDID6,249+123−84%

02Shelley, IDID5,303+376+36%

03Preston, IDID6,177+387−60%

04Blackfoot, IDID13,361+447−42%

05Rupert, IDID6,460+528+178%

06Payette, IDID8,813+694−53%

07Emmett, IDID8,900+1,090+23%

08Rigby, IDID5,757+1,093+245%

09Hailey, IDID10,053+1,201−52%

10Sandpoint, IDID10,645+1,274−21%

11Garden City, IDID13,047+1,344−68%

12Burley, IDID12,409+1,359+126%

13Kimberly, IDID5,798+1,362+445%

14Fruitland, IDID7,213+1,388+1%

15Jerome, IDID13,731+1,459+17%

16Moscow, IDID26,721+1,635−41%

17Chubbuck, IDID16,823+1,648−10%

18Mountain Home, IDID16,779+1,773−45%

19Pocatello, IDID58,771+2,065−62%

20Hayden, IDID17,363+2,276−58%

21Lewiston, IDID34,717+2,309−18%

22Rathdrum, IDID13,227+2,385−15%

23Ammon, IDID20,119+3,878+227%

24Middleton, IDID12,600+3,901+274%

25Star, IDID20,874+5,324–

26Twin Falls, IDID56,216+7,682+12%

27Idaho Falls, IDID71,785+8,005+18%

28Kuna, IDID31,525+8,801+157%

29Eagle, IDID34,658+10,438+35%

30Coeur d'Alene, IDID58,179+10,491+5%

31Post Falls, IDID46,715+10,911+10%

32Caldwell, IDID76,629+13,759+82%

33Rexburg, IDID40,334+13,925+371%

34Nampa, IDID120,384+18,643−21%

35Boise City, IDID238,429+30,013−50%

36Meridian, IDID142,988+42,543+68%

SHOWING 1–36 OF 36

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS