RANKING · 2020 CENSUS · 36 SHOWN OF 36

Most population gained, Idaho cities · 2020

Idaho cities that added 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.

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IdahoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Meridian, IDID142,988+42,543+68%

02Boise City, IDID238,429+30,013−50%

03Nampa, IDID120,384+18,643−21%

04Rexburg, IDID40,334+13,925+371%

05Caldwell, IDID76,629+13,759+82%

06Post Falls, IDID46,715+10,911+10%

07Coeur d'Alene, IDID58,179+10,491+5%

08Eagle, IDID34,658+10,438+35%

09Kuna, IDID31,525+8,801+157%

10Idaho Falls, IDID71,785+8,005+18%

11Twin Falls, IDID56,216+7,682+12%

12Star, IDID20,874+5,324–

13Middleton, IDID12,600+3,901+274%

14Ammon, IDID20,119+3,878+227%

15Rathdrum, IDID13,227+2,385−15%

16Lewiston, IDID34,717+2,309−18%

17Hayden, IDID17,363+2,276−58%

18Pocatello, IDID58,771+2,065−62%

19Mountain Home, IDID16,779+1,773−45%

20Chubbuck, IDID16,823+1,648−10%

21Moscow, IDID26,721+1,635−41%

22Jerome, IDID13,731+1,459+17%

23Fruitland, IDID7,213+1,388+1%

24Kimberly, IDID5,798+1,362+445%

25Burley, IDID12,409+1,359+126%

26Garden City, IDID13,047+1,344−68%

27Sandpoint, IDID10,645+1,274−21%

28Hailey, IDID10,053+1,201−52%

29Rigby, IDID5,757+1,093+245%

30Emmett, IDID8,900+1,090+23%

31Payette, IDID8,813+694−53%

32Rupert, IDID6,460+528+178%

33Blackfoot, IDID13,361+447−42%

34Preston, IDID6,177+387−60%

35Shelley, IDID5,303+376+36%

36Weiser, IDID6,249+123−84%

SHOWING 1–36 OF 36

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS