Youngest Cities in Idaho

The top 25 of 30 Idaho cities on GIS Map, ranked by lowest median age.

#	City	County	Median age	Population
1	Rexburg	Madison	21 years	40,543
2	Moscow	Latah	25.7 years	26,286
3	Jerome	Jerome	30.9 years	12,930
4	Burley	Cassia	31.2 years	11,958
5	Caldwell	Canyon	31.5 years	66,516
6	Mountain Home	Elmore	31.7 years	16,493
7	Kuna	Ada	31.8 years	27,158
8	Ammon	Bonneville	32.9 years	19,064
9	Pocatello	Bannock	33.1 years	57,635
10	Idaho Falls	Bonneville	33.7 years	67,725
11	Nampa	Canyon	33.9 years	110,319
12	Blackfoot	Bingham	34.7 years	12,782
13	Post Falls	Kootenai	35 years	43,391
14	Twin Falls	Twin Falls	35.1 years	54,164
15	Chubbuck	Bannock	35.9 years	16,126
16	Rathdrum	Kootenai	37.1 years	10,874
17	Meridian	Ada	37.5 years	130,138
18	Driggs	Teton	38.2 years	2,925
19	Boise	Ada	38.6 years	237,242
20	McCall	Valley	38.9 years	3,946
21	Lewiston	Nez Perce	39.8 years	34,651
22	Coeur d'Alene	Kootenai	40.1 years	56,447
23	Star	Ada	40.3 years	14,745
24	Hailey	Blaine	41.3 years	9,665
25	Sandpoint	Bonner	41.5 years	9,637

Top Idaho Counties

Counties ranked by lowest median age.

1. Madison County21.4 years 2. Latah County30.6 years 3. Clark County31.1 years 4. Jefferson County32.8 years 5. Elmore County33.1 years 6. Cassia County33.2 years 7. Franklin County33.3 years 8. Bonneville County33.6 years 9. Jerome County34 years 10. Power County34.6 years

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Youngest Cities in Idaho”, https://gismap.land/rankings/idaho/youngest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

Youngest Cities in Idaho

Top Idaho Counties

More Idaho rankings