RANKING · 2010 CENSUS · 36 SHOWN OF 36

Most sparsely populated, Idaho cities · 2010

Idaho cities with the fewest residents per square mile (2010). This list covers the 36 cities in Idaho that qualify, ranked against each other statewide. The median across all 36 is 1,936.

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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 2000

01Kuna, IDID31,525592+183%

02Star, IDID20,874596+223%

03Eagle, IDID34,658613+80%

04Preston, IDID6,177762+11%

05Middleton, IDID12,600904+85%

06Rathdrum, IDID13,227982+42%

07Hayden, IDID17,3631,263+45%

08Post Falls, IDID46,7151,487+60%

09Burley, IDID12,4091,530+11%

10Kimberly, IDID5,7981,606+25%

11Pocatello, IDID58,7711,616+5%

12Rigby, IDID5,7571,632+32%

13Ammon, IDID20,1191,715+123%

14Sandpoint, IDID10,6451,722+8%

15Payette, IDID8,8131,817+5%

16Lewiston, IDID34,7171,826+3%

17Weiser, IDID6,2491,847+3%

18Jerome, IDID13,7311,924+40%

19Blackfoot, IDID13,3611,936+14%

20Fruitland, IDID7,2131,951+23%

21Caldwell, IDID76,6291,966+78%

22Mountain Home, IDID16,7792,017+27%

23Hailey, IDID10,0532,024+28%

24Meridian, IDID142,9882,037+115%

25Idaho Falls, IDID71,7852,138+12%

26Chubbuck, IDID16,8232,242+44%

27Twin Falls, IDID56,2162,252+28%

28Nampa, IDID120,3842,345+57%

29Boise City, IDID238,4292,432+11%

30Shelley, IDID5,3032,441+16%

31Emmett, IDID8,9002,473+19%

32Rexburg, IDID40,3342,520+48%

33Garden City, IDID13,0472,689+3%

34Rupert, IDID6,4602,697−2%

35Coeur d'Alene, IDID58,1792,739+28%

36Moscow, IDID26,7213,445+12%

SHOWING 1–36 OF 36

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