RANKING · 2020 CENSUS · 36 SHOWN OF 36

Largest by population, Idaho cities · 2020

The most populous Idaho cities as of the 2020 population estimates. This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

IdahoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Boise City, IDID235,684+27%

02Meridian, IDID117,635+237%

03Nampa, IDID100,200+93%

04Idaho Falls, IDID64,818+28%

05Caldwell, IDID59,996+131%

06Pocatello, IDID56,320+9%

07Coeur d'Alene, IDID54,628+58%

08Twin Falls, IDID51,807+50%

09Rexburg, IDID39,409+128%

10Post Falls, IDID38,485+123%

11Lewiston, IDID34,203+11%

12Eagle, IDID30,346+174%

13Moscow, IDID25,435+19%

14Kuna, IDID24,011+346%

15Ammon, IDID17,694+186%

16Mountain Home, IDID15,979+43%

17Chubbuck, IDID15,570+61%

18Hayden, IDID15,570+70%

19Jerome, IDID12,349+59%

20Blackfoot, IDID12,346+18%

21Garden City, IDID12,316+16%

22Burley, IDID11,704+26%

23Star, IDID11,117+519%

24Middleton, IDID9,425+216%

25Rathdrum, IDID9,211+91%

26Hailey, IDID9,161+48%

27Sandpoint, IDID8,639+26%

28Payette, IDID8,127+15%

29Emmett, IDID7,647+39%

30Rupert, IDID6,082+8%

31Fruitland, IDID6,072+60%

32Weiser, IDID5,630+5%

33Preston, IDID5,591+19%

34Rigby, IDID5,038+68%

35Shelley, IDID4,785+25%

36Kimberly, IDID4,626+77%

SHOWING 1–36 OF 36

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