RANKING · 1990 CENSUS · 35 SHOWN OF 35

Most sparsely populated, Idaho cities · 1990

Idaho cities with the fewest residents per square mile (1990). This list covers the 35 cities in Idaho that qualify, ranked against each other statewide. The median across all 35 is 1,223.

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SAME RANKING BYCounties States Metros

RELATEDLargest by population Fastest growing Fastest shrinking Most population gained Most population lost Most densely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Kuna, IDID31,52576–

02Eagle, IDID34,658102–

03Meridian, IDID142,988260–

04Rathdrum, IDID13,227288–

05Middleton, IDID12,600316–

06Hayden, IDID17,363356–

07Post Falls, IDID46,715396–

08Preston, IDID6,177543–

09Ammon, IDID20,119621–

10Caldwell, IDID76,629782–

11Nampa, IDID120,384816–

12Hailey, IDID10,053938–

13Fruitland, IDID7,2131,012–

14Rigby, IDID5,7571,109–

15Mountain Home, IDID16,7791,123–

16Jerome, IDID13,7311,154–

17Kimberly, IDID5,7981,163–

18Sandpoint, IDID10,6451,223–

19Chubbuck, IDID16,8231,269–

20Burley, IDID12,4091,289–

21Payette, IDID8,8131,367–

22Pocatello, IDID58,7711,372–

23Twin Falls, IDID56,2161,408–

24Rexburg, IDID40,3341,414–

25Boise City, IDID238,4291,487–

26Coeur d'Alene, IDID58,1791,524–

27Weiser, IDID6,2491,533–

28Garden City, IDID13,0471,561–

29Blackfoot, IDID13,3611,569–

30Lewiston, IDID34,7171,608–

31Idaho Falls, IDID71,7851,654–

32Emmett, IDID8,9001,736–

33Shelley, IDID5,3031,958–

34Rupert, IDID6,4602,649–

35Moscow, IDID26,7212,680–

SHOWING 1–35 OF 35

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