RANKING · 2025 ACS · 36 SHOWN OF 36

Most sparsely populated, Idaho cities

Idaho cities with the fewest residents per square mile (2023). This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Preston, IDID6,177905+32%

02Eagle, IDID34,6581,068+213%

03Kuna, IDID31,5251,228+486%

04Hayden, IDID17,3631,649+90%

05Pocatello, IDID58,7711,751+14%

06Burley, IDID12,4091,835+33%

07Rathdrum, IDID13,2271,902+175%

08Lewiston, IDID34,7171,987+12%

09Middleton, IDID12,6002,061+323%

10Weiser, IDID6,2492,096+17%

11Star, IDID20,8742,146+1063%

12Payette, IDID8,8132,154+25%

13Blackfoot, IDID13,3612,174+28%

14Rigby, IDID5,7572,381+92%

15Mountain Home, IDID16,7792,382+51%

16Jerome, IDID13,7312,426+76%

17Sandpoint, IDID10,6452,489+56%

18Ammon, IDID20,1192,498+225%

19Post Falls, IDID46,7152,519+171%

20Hailey, IDID10,0532,557+62%

21Idaho Falls, IDID71,7852,702+42%

22Chubbuck, IDID16,8232,709+73%

23Boise City, IDID238,4292,820+28%

24Kimberly, IDID5,7982,852+122%

25Twin Falls, IDID56,2162,869+63%

26Shelley, IDID5,3032,936+39%

27Fruitland, IDID7,2133,004+90%

28Rupert, IDID6,4603,137+14%

29Garden City, IDID13,0473,197+23%

30Caldwell, IDID76,6293,259+195%

31Emmett, IDID8,9003,357+62%

32Nampa, IDID120,3843,462+132%

33Coeur d'Alene, IDID58,1793,610+69%

34Moscow, IDID26,7213,868+26%

35Meridian, IDID142,9883,879+309%

36Rexburg, IDID40,3343,989+134%

SHOWING 1–36 OF 36

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