Counties in New Mexico by median age on 1 July (US county estimates)

Catron County had the highest median age on 1 July (US county estimates) of 33 counties in 2022, at 62 years. Roosevelt County had the lowest, at 31.3 years. The median was 42.2 years. Source: the U.S. Census Bureau.

Highest62Catron County

Lowest31.3Roosevelt County

Median42.233 counties

All counties, 2022

years. Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2022 years	Change on 2021
1	Catron County	62	-0.1
2	Harding County	59.1	-0.5
3	Sierra County	57.3	0
4	Mora County	54.5	+0.7
5	Lincoln County	53.5	-0.2
6	Taos County	51	+0.5
7	De Baca County	50.4	-1.3
7	Grant County	50.4	+0.4
9	Colfax County	50	0
10	Santa Fe County	48.8	+0.3
11	Quay County	48	+0.1
12	San Miguel County	44.8	+0.1
12	Torrance County	44.8	-0.4
14	Hidalgo County	43.7	-0.2
15	Rio Arriba County	43.6	+0.3
16	Union County	43.4	+0.4
17	Guadalupe County	42.2	+0.4
18	Los Alamos County	41.6	+0.1
18	Sandoval County	41.6	+0.2
20	Valencia County	39.7	0
21	Bernalillo County	39.5	+0.3
22	Socorro County	39.3	+0.2
23	Luna County	39	-0.1
24	Cibola County	38.5	-0.1
25	San Juan County	37.2	+0.3
26	Otero County	37.1	+0.2
27	Chaves County	36.5	+0.2
28	Eddy County	36.2	+0.2
29	Doña Ana County	36	+0.2
30	McKinley County	35.3	+0.6
31	Lea County	32.9	+0.3
32	Curry County	32.5	0
33	Roosevelt County	31.3	0

Other periods

About this ranking

Age that divides the resident population of a US county into two halves of equal size on 1 July, from Census Bureau population estimates calculated by single year of age.

Counties only: the county file has no state or national medians, and medians cannot be added up. A single-year estimate, unlike median_age, which for US places is a five-year American Community Survey estimate.

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

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. 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). Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage (Counties in New Mexico by median age on 1 July (US county estimates), 2022) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage, Counties in New Mexico by median age on 1 July (US county estimates), 2022. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/new-mexico-counties?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Counties in New Mexico by median age on 1 July (US county estimates), 2022. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/new-mexico-counties?period=2022.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage, Counties in New Mexico by median age on 1 July (US county estimates), 2022 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/median-age-july-1-us-counties/new-mexico-counties?period=2022 (Accessed: 12 October 2026).

BibTeX

@misc{census_counties_in_new_mexico_2022,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: median age (MEDIAN\_AGE\_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage: Counties in New Mexico by median age on 1 July (US county estimates), 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/new-mexico-counties?period=2022. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN\_AGE\_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage: Counties in New Mexico by median age on 1 July (US county estimates), 2022
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/median-age-july-1-us-counties/new-mexico-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/median-age-july-1-us-counties/new-mexico-counties?period=2022.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -

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Questions

Which county has the highest median age on 1 July (US county estimates)?

Catron County, with 62 years in 2022, according to the U.S. Census Bureau.

Which county has the lowest median age on 1 July (US county estimates)?

Roosevelt County, with 31.3 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, Population Estimates Program, county population by age and sex: median age (MEDIAN_AGE_TOT) on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage. Retrieved 2026-10-12.