RANKING · 1990 CENSUS · 35 SHOWN OF 35

Most densely populated, Idaho cities · 1990

Idaho cities ranked by residents per square mile (2023). This list covers the 35 cities in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Moscow, IDID26,7212,680−13%

02Rupert, IDID6,4602,649−3%

03Shelley, IDID5,3031,958−7%

04Emmett, IDID8,9001,736−16%

05Idaho Falls, IDID71,7851,654−13%

06Lewiston, IDID34,7171,608−9%

07Blackfoot, IDID13,3611,569−7%

08Garden City, IDID13,0471,561−40%

09Weiser, IDID6,2491,533−14%

10Coeur d'Alene, IDID58,1791,524−29%

11Boise City, IDID238,4291,487−32%

12Rexburg, IDID40,3341,414−17%

13Twin Falls, IDID56,2161,408−20%

14Pocatello, IDID58,7711,372−11%

15Payette, IDID8,8131,367−21%

16Burley, IDID12,4091,289−6%

17Chubbuck, IDID16,8231,269−19%

18Sandpoint, IDID10,6451,223−23%

19Kimberly, IDID5,7981,163−10%

20Jerome, IDID13,7311,154−16%

21Mountain Home, IDID16,7791,123−29%

22Rigby, IDID5,7571,109−11%

23Fruitland, IDID7,2131,012−36%

24Hailey, IDID10,053938−41%

25Nampa, IDID120,384816−45%

26Caldwell, IDID76,629782−29%

27Ammon, IDID20,119621−19%

28Preston, IDID6,177543−21%

29Post Falls, IDID46,715396−57%

30Hayden, IDID17,363356−59%

31Middleton, IDID12,600316−35%

32Rathdrum, IDID13,227288−58%

33Meridian, IDID142,988260−73%

34Eagle, IDID34,658102−70%

35Kuna, IDID31,52576−64%

SHOWING 1–35 OF 35

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