RANKING · 2000 CENSUS · 36 SHOWN OF 36

Youngest by median age, Idaho cities · 2000

Idaho cities with the youngest median age (2023 ACS). This list covers the 36 cities in Idaho that qualify, ranked against each other statewide.

Flip the list · Oldest by median age, US cities →

IdahoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Rexburg, IDID40,33420.3+0%

02Moscow, IDID26,72124.4+0%

03Kuna, IDID31,52526.1+0%

04Shelley, IDID5,30327.0+0%

05Middleton, IDID12,60027.7+0%

06Preston, IDID6,17728.3+0%

07Star, IDID20,87428.4+0%

08Nampa, IDID120,38428.5+0%

09Rigby, IDID5,75728.5+0%

10Rathdrum, IDID13,22728.6+0%

11Ammon, IDID20,11928.8+0%

12Caldwell, IDID76,62928.8+0%

13Pocatello, IDID58,77128.8+0%

14Chubbuck, IDID16,82329.3+0%

15Meridian, IDID142,98830.1+0%

16Blackfoot, IDID13,36130.9+0%

17Burley, IDID12,40930.9+0%

18Jerome, IDID13,73131.0+0%

19Post Falls, IDID46,71531.3+0%

20Fruitland, IDID7,21331.3+0%

21Mountain Home, IDID16,77931.7+0%

22Rupert, IDID6,46031.7+0%

23Idaho Falls, IDID71,78532.3+0%

24Payette, IDID8,81332.4+0%

25Boise City, IDID238,42932.8+0%

26Hailey, IDID10,05333.3+0%

27Kimberly, IDID5,79833.5+0%

28Twin Falls, IDID56,21633.8+0%

29Emmett, IDID8,90034.6+0%

30Coeur d'Alene, IDID58,17934.8+0%

31Eagle, IDID34,65835.2+0%

32Hayden, IDID17,36335.3+0%

33Garden City, IDID13,04735.4+0%

34Weiser, IDID6,24935.9+0%

35Sandpoint, IDID10,64536.5+0%

36Lewiston, IDID34,71737.9+0%

SHOWING 1–36 OF 36

Download CSV (full list, 36 rows)

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