RANKING · 2024 ACS · 36 SHOWN OF 36

Youngest by median age, Idaho cities

Idaho cities with the youngest median age (2024 ACS). This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Rexburg, IDID40,33421.0+3%

02Moscow, IDID26,72125.7+5%

03Rupert, IDID6,46029.5−7%

04Shelley, IDID5,30330.8+14%

05Jerome, IDID13,73130.9−0%

06Burley, IDID12,40931.2+1%

07Rigby, IDID5,75731.4+10%

08Caldwell, IDID76,62931.5+9%

09Mountain Home, IDID16,77931.7+0%

10Kuna, IDID31,52531.8+22%

11Kimberly, IDID5,79832.2−4%

12Ammon, IDID20,11932.9+14%

13Pocatello, IDID58,77133.1+15%

14Idaho Falls, IDID71,78533.7+4%

15Nampa, IDID120,38433.9+19%

16Preston, IDID6,17734.2+21%

17Blackfoot, IDID13,36134.7+12%

18Fruitland, IDID7,21334.8+11%

19Post Falls, IDID46,71535.0+12%

20Twin Falls, IDID56,21635.1+4%

21Chubbuck, IDID16,82335.9+23%

22Middleton, IDID12,60036.1+30%

23Emmett, IDID8,90036.3+5%

24Payette, IDID8,81336.5+13%

25Rathdrum, IDID13,22737.1+30%

26Meridian, IDID142,98837.5+25%

27Boise City, IDID238,42938.6+18%

28Lewiston, IDID34,71739.8+5%

29Coeur d'Alene, IDID58,17940.1+15%

30Star, IDID20,87440.3+42%

31Weiser, IDID6,24941.1+14%

32Hailey, IDID10,05341.3+24%

33Sandpoint, IDID10,64541.5+14%

34Hayden, IDID17,36342.1+19%

35Garden City, IDID13,04742.3+19%

36Eagle, IDID34,65847.6+35%

SHOWING 1–36 OF 36

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES