Counties in New Mexico by median age

Name: Counties in New Mexico by median age, 2023
Creator: U.S. Census Bureau
License: Public domain (US federal government work, citation requested)

Catron County had the highest median age of 33 counties in 2023, at 62.6 years. Curry County had the lowest, at 31.9 years. The median was 41.1 years and the figure for New Mexico was 39.2 years. Source: the U.S. Census Bureau.

Highest62.6Catron County

Lowest31.9Curry County

Median41.133 counties

New Mexico39.2History

All counties, 2023

CSV Chart (SVG)

years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

Rank	Counties	2023 years	Change on 2022
1	Catron County	62.6	+3.1
2	Mora County	58.5	-0.9
3	Sierra County	57.3	+1.9
4	Lincoln County	52.7	+1
5	Taos County	51.9	+2.1
6	Colfax County	49.1	-0.1
7	Grant County	49	+0.9
8	Santa Fe County	48.5	+0.8
9	Quay County	48.1	+1.5
10	San Miguel County	46.8	+1.8
11	Harding County	43.1	+0.9
12	Torrance County	42.5	-0.5
13	Rio Arriba County	42.4	+0.7
14	Hidalgo County	42.3	+0.2
15	Guadalupe County	41.6	-1.4
16	Los Alamos County	41.1	-0.1
16	Sandoval County	41.1	+0.3
18	Union County	40.3	+0.9
19	Socorro County	39.7	+0.1
20	Bernalillo County	39.3	+0.7
21	Valencia County	39	+0.2
22	Cibola County	38.4	+0.4
23	San Juan County	38	+1.2
24	Chaves County	36.9	+0.7
25	Luna County	36.6	+0.1
26	Otero County	36.3	+0.4
27	Eddy County	35.9	+0.2
28	De Baca County	35.1	+6.6
29	McKinley County	34.1	+0.5
30	Doña Ana County	34	+0.8
31	Lea County	32.5	+0.3
32	Roosevelt County	32	+0.7
33	Curry County	31.9	+0.2

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.

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. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b01002.dat. Retrieved 2026-10-08.

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Rank Counties in New Mexico by median age using official data, and cite the source.

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Questions

Which county has the highest median age?

Catron County, with 62.6 years in 2023, according to the U.S. Census Bureau.

Which county has the lowest median age?

Curry County, with 31.9 years in 2023.

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. Retrieved 2026-10-08.