Cities in Idaho by median age

Garden City, ID had the highest median age of 27 cities in 2022, at 47.1 years. Rexburg, ID had the lowest, at 21.4 years. The median was 34.5 years and the figure for Idaho was 36.9 years. Source: the U.S. Census Bureau.

Highest47.1Garden City, ID

Lowest21.4Rexburg, ID

Median34.527 cities

Idaho36.9History

All cities, 2022

years. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). Retrieved 2026-10-12.

Full ranking

Rank	Cities	2022 years	Change on 2021
1	Garden City, ID	47.1	-1.3
2	Eagle, ID	46.8	+1.3
3	Hayden, ID	42.4	+0.3
3	Sandpoint, ID	42.4	+1.7
5	Star, ID	41.4	+1.5
6	Hailey, ID	40.8	-0.2
7	Lewiston, ID	39.8	0
8	Coeur d'Alene, ID	39.3	+1
9	Boise City, ID	37.9	+0.2
10	Meridian, ID	37.1	+0.5
11	Rathdrum, ID	36.2	+0.5
12	Chubbuck, ID	35.1	+1.1
13	Middleton, ID	34.9	+3.6
14	Post Falls, ID	34.5	+0.4
15	Blackfoot, ID	34.4	+0.6
16	Twin Falls, ID	34	0
17	Idaho Falls, ID	33.9	+0.3
18	Nampa, ID	33.5	-0.1
19	Ammon, ID	32.9	-0.2
19	Pocatello, ID	32.9	-0.1
21	Mountain Home, ID	31.3	+0.6
22	Caldwell, ID	30.3	+0.4
23	Burley, ID	30.2	-0.2
23	Kuna, ID	30.2	+1.2
25	Jerome, ID	29.6	-1.5
26	Moscow, ID	24.8	-1.2
27	Rexburg, ID	21.4	-1.4

Other periods

2024
2023
2022
2021

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span. Canada: on 1 July, Statistics Canada population estimates.

Every value in the ranking comes from the same publisher and the same period, so the cities are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more) (Cities in Idaho by median age, 2022) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat

MLA 9

American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more), Cities in Idaho by median age, 2022. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Invokely, https://invokely.ai/rankings/median-age/idaho-cities?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). Cities in Idaho by median age, 2022. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Also distributed by Invokely, https://invokely.ai/rankings/median-age/idaho-cities?period=2022.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more), Cities in Idaho by median age, 2022 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat, via Invokely: https://invokely.ai/rankings/median-age/idaho-cities?period=2022 (Accessed: 12 October 2026).

BibTeX

@misc{census_cities_in_idaho_by_2022,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more): Cities in Idaho by median age, 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/median-age/idaho-cities?period=2022. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary\_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more): Cities in Idaho by median age, 2022
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat
L2  - https://invokely.ai/rankings/median-age/idaho-cities?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/median-age/idaho-cities?period=2022.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b01002.dat. Retrieved 2026-10-12.
ER  -

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Questions

Which city has the highest median age?

Garden City, ID, with 47.1 years in 2022, according to the U.S. Census Bureau.

Which city has the lowest median age?

Rexburg, ID, with 21.4 years in 2022.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population, US cities (incorporated places of 10,000 or more). Retrieved 2026-10-12.