RANKING · 2020 CENSUS · 36 SHOWN OF 36

Largest by population, Idaho cities · 2020

The most populous us cities as of the 2023 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 densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPTOTAL POPULATIONVS 2000

01Boise City, IDID238,429235,684+27%

02Meridian, IDID142,988117,635+237%

03Nampa, IDID120,384100,200+93%

04Idaho Falls, IDID71,78564,818+28%

05Caldwell, IDID76,62959,996+131%

06Pocatello, IDID58,77156,320+9%

07Coeur d'Alene, IDID58,17954,628+58%

08Twin Falls, IDID56,21651,807+50%

09Rexburg, IDID40,33439,409+128%

10Post Falls, IDID46,71538,485+123%

11Lewiston, IDID34,71734,203+11%

12Eagle, IDID34,65830,346+174%

13Moscow, IDID26,72125,435+19%

14Kuna, IDID31,52524,011+346%

15Ammon, IDID20,11917,694+186%

16Mountain Home, IDID16,77915,979+43%

17Chubbuck, IDID16,82315,570+61%

18Hayden, IDID17,36315,570+70%

19Jerome, IDID13,73112,349+59%

20Blackfoot, IDID13,36112,346+18%

21Garden City, IDID13,04712,316+16%

22Burley, IDID12,40911,704+26%

23Star, IDID20,87411,117+519%

24Middleton, IDID12,6009,425+216%

25Rathdrum, IDID13,2279,211+91%

26Hailey, IDID10,0539,161+48%

27Sandpoint, IDID10,6458,639+26%

28Payette, IDID8,8138,127+15%

29Emmett, IDID8,9007,647+39%

30Rupert, IDID6,4606,082+8%

31Fruitland, IDID7,2136,072+60%

32Weiser, IDID6,2495,630+5%

33Preston, IDID6,1775,591+19%

34Rigby, IDID5,7575,038+68%

35Shelley, IDID5,3034,785+25%

36Kimberly, IDID5,7984,626+77%

SHOWING 1–36 OF 36

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