Counties in New Mexico by share of population aged 65 and over, 2025

Name: Counties in New Mexico by share of population aged 65 and over, 2025
Creator: U.S. Census Bureau
License: Public domain (US federal government work, citation requested)

Catron County had the highest share of population aged 65 and over of 33 counties in 2025, at 45.7%. Lea County had the lowest, at 12.2%. The median was 22.6% and the figure for New Mexico was 21.1%. Source: the U.S. Census Bureau.

Highest45.7Catron County

Lowest12.2Lea County

Median22.633 counties

New Mexico21.1History

All counties, 2025

CSV Chart (SVG)

%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

Rank	Counties	2025 (%)	Change on 2024
1	Catron County	45.7	+1.1 pts
2	Harding County	39.9	-0.5 pts
3	Sierra County	38.6	+0.6 pts
4	Mora County	34.7	+1.6 pts
5	Lincoln County	34.6	+0.9 pts
6	Grant County	32.6	+0.6 pts
7	Taos County	31.8	+0.7 pts
8	Colfax County	30.7	+1 pts
9	Santa Fe County	29.9	+0.8 pts
10	De Baca County	29	+0.2 pts
11	Quay County	28.3	+0.3 pts
12	San Miguel County	26.2	+0.7 pts
13	Hidalgo County	24.7	+0.5 pts
14	Rio Arriba County	24.3	+0.5 pts
15	Torrance County	24.3	+0.3 pts
16	Socorro County	22.7	+0.5 pts
17	Luna County	22.6	+0.2 pts
18	Union County	22.6	+0.6 pts
19	Guadalupe County	22.5	+0.2 pts
20	Sandoval County	22.1	+0.5 pts
21	Otero County	20.4	+0.7 pts
22	Bernalillo County	20.2	+0.5 pts
23	Valencia County	19.9	+0.4 pts
24	Los Alamos County	19.4	+0.2 pts
25	Cibola County	19.4	+0.4 pts
26	Doña Ana County	19.4	+0.4 pts
27	San Juan County	18.4	+0.6 pts
28	Chaves County	17.5	+0.4 pts
29	McKinley County	16.3	+0.6 pts
30	Roosevelt County	16.2	+0.4 pts
31	Eddy County	15.5	+0.2 pts
32	Curry County	14.7	+0.4 pts
33	Lea County	12.2	+0.3 pts

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

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 (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in New Mexico by share of population aged 65 and over using official data, and cite the source.

rank_places {"indicator":"population_65_plus_share","level":"province","within":"New Mexico","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=New%20Mexico&limit=10

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Questions

Which county has the highest share of population aged 65 and over?

Catron County, with 45.7% in 2025, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Lea County, with 12.2% in 2025.

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 (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.