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. The median across all 36 is 2,519. Biggest climber in the top 100 since 2020: Boise City, ID, up 5 places to #23.

Flip the list · Most densely populated, US cities →

IdahoAll statesPop > 5KAll rankings

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%

04▲2Hayden, IDID17,3631,649+90%

05▲3Pocatello, IDID58,7711,751+14%

06▲3Burley, IDID12,4091,835+33%

07▼2Rathdrum, IDID13,2271,902+175%

08▲3Lewiston, IDID34,7171,987+12%

09▼2Middleton, IDID12,6002,061+323%

10Weiser, IDID6,2492,096+17%

11▼7Star, IDID20,8742,146+1063%

12Payette, IDID8,8132,154+25%

13Blackfoot, IDID13,3612,174+28%

14▲2Rigby, IDID5,7572,381+92%

15▲4Mountain Home, IDID16,7792,382+51%

16▲1Jerome, IDID13,7312,426+76%

17▼3Sandpoint, IDID10,6452,489+56%

18Ammon, IDID20,1192,498+225%

19▼4Post Falls, IDID46,7152,519+171%

20▲1Hailey, IDID10,0532,557+62%

21▲1Idaho Falls, IDID71,7852,702+42%

22▲1Chubbuck, IDID16,8232,709+73%

23▲5Boise City, IDID238,4292,820+28%

24▼4Kimberly, IDID5,7982,852+122%

25▲1Twin Falls, IDID56,2162,869+63%

26▲1Shelley, IDID5,3032,936+39%

27▼3Fruitland, IDID7,2133,004+90%

28▲3Rupert, IDID6,4603,137+14%

29▲3Garden City, IDID13,0473,197+23%

30▼5Caldwell, IDID76,6293,259+195%

31▼1Emmett, IDID8,9003,357+62%

32▼3Nampa, IDID120,3843,462+132%

33▲1Coeur d'Alene, IDID58,1793,610+69%

34▲1Moscow, IDID26,7213,868+26%

35▼2Meridian, IDID142,9883,879+309%

36Rexburg, IDID40,3343,989+134%

SHOWING 1–36 OF 36

Download CSV (full list, 36 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES