RANKING · 2025 ESTIMATES · 36 SHOWN OF 36

Most sparsely populated, Idaho cities

Idaho cities with the fewest residents per square mile (2025). This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

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

RANKPLACESTATEPOPPOPULATION DENSITYVS –

01Preston, IDID6,177905–

02Eagle, IDID34,6581,068–

03Kuna, IDID31,5251,228–

04Hayden, IDID17,3631,649–

05Pocatello, IDID58,7711,751–

06Burley, IDID12,4091,835–

07Rathdrum, IDID13,2271,902–

08Lewiston, IDID34,7171,987–

09Middleton, IDID12,6002,061–

10Weiser, IDID6,2492,096–

11Star, IDID20,8742,146–

12Payette, IDID8,8132,154–

13Blackfoot, IDID13,3612,174–

14Rigby, IDID5,7572,381–

15Mountain Home, IDID16,7792,382–

16Jerome, IDID13,7312,426–

17Sandpoint, IDID10,6452,489–

18Ammon, IDID20,1192,498–

19Post Falls, IDID46,7152,519–

20Hailey, IDID10,0532,557–

21Idaho Falls, IDID71,7852,702–

22Chubbuck, IDID16,8232,709–

23Boise City, IDID238,4292,820–

24Kimberly, IDID5,7982,852–

25Twin Falls, IDID56,2162,869–

26Shelley, IDID5,3032,936–

27Fruitland, IDID7,2133,004–

28Rupert, IDID6,4603,137–

29Garden City, IDID13,0473,197–

30Caldwell, IDID76,6293,259–

31Emmett, IDID8,9003,357–

32Nampa, IDID120,3843,462–

33Coeur d'Alene, IDID58,1793,610–

34Moscow, IDID26,7213,868–

35Meridian, IDID142,9883,879–

36Rexburg, IDID40,3343,989–

SHOWING 1–36 OF 36

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES