Data / Rankings / Population aged 65 and over / Counties in New Mexico

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

Catron County had the highest share of population aged 65 and over of 33 counties in 2024, at 44.5%. Lea County had the lowest, at 11.9%. The median was 22.3% and the figure for New Mexico was 20.6%. Source: the U.S. Census Bureau.

Highest44.5Catron County
Lowest11.9Lea County
Median22.333 counties
New Mexico20.6History

All counties, 2024

CSVChart (SVG)

Catron CountyCatron County: 44.5 %44.5Harding CountyHarding County: 40.4 %40.4Sierra CountySierra County: 38 %38Lincoln CountyLincoln County: 33.7 %33.7Mora CountyMora County: 33.1 %33.1Grant CountyGrant County: 32 %32Taos CountyTaos County: 31.1 %31.1Colfax CountyColfax County: 29.6 %29.6Santa Fe CountySanta Fe County: 29.1 %29.1De Baca CountyDe Baca County: 28.8 %28.8Quay CountyQuay County: 28 %28San Miguel CountySan Miguel County: 25.4 %25.4Hidalgo CountyHidalgo County: 24.2 %24.2Torrance CountyTorrance County: 24 %24Rio Arriba CountyRio Arriba County: 23.8 %23.8Luna CountyLuna County: 22.4 %22.4Guadalupe CountyGuadalupe County: 22.3 %22.3Socorro CountySocorro County: 22.2 %22.2Union CountyUnion County: 22 %22Sandoval CountySandoval County: 21.6 %21.6Bernalillo CountyBernalillo County: 19.7 %19.7Otero CountyOtero County: 19.7 %19.7Valencia CountyValencia County: 19.6 %19.6Los Alamos CountyLos Alamos County: 19.2 %19.2Cibola CountyCibola County: 19 %19Doña Ana CountyDoña Ana County: 19 %19San Juan CountySan Juan County: 17.8 %17.8Chaves CountyChaves County: 17.1 %17.1Roosevelt CountyRoosevelt County: 15.8 %15.8McKinley CountyMcKinley County: 15.7 %15.7Eddy CountyEddy County: 15.3 %15.3Curry CountyCurry County: 14.3 %14.3Lea CountyLea County: 11.9 %11.9
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2024 (%)Change on 2023
1Catron County44.5+1.6 pts
2Harding County40.4+1.1 pts
3Sierra County38+1.1 pts
4Lincoln County33.7+0.7 pts
5Mora County33.1+0.9 pts
6Grant County32+0.3 pts
7Taos County31.1+0.9 pts
8Colfax County29.6+0.7 pts
9Santa Fe County29.1+0.5 pts
10De Baca County28.8+0.5 pts
11Quay County28+0.3 pts
12San Miguel County25.4+0.8 pts
13Hidalgo County24.2+0.4 pts
14Torrance County24+0.1 pts
15Rio Arriba County23.8+0.6 pts
16Luna County22.4-0 pts
17Guadalupe County22.3+0.3 pts
18Socorro County22.2+0.5 pts
19Union County22+0.1 pts
20Sandoval County21.6+0.4 pts
21Bernalillo County19.7+0.5 pts
22Otero County19.7+0.5 pts
23Valencia County19.6+0.3 pts
24Los Alamos County19.2+0.1 pts
25Cibola County19+0.5 pts
26Doña Ana County19+0.4 pts
27San Juan County17.8+0.6 pts
28Chaves County17.1+0.3 pts
29Roosevelt County15.8+0.4 pts
30McKinley County15.7+0.6 pts
31Eddy County15.3-0 pts
32Curry County14.3+0.2 pts
33Lea County11.9+0.1 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.

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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 44.5% in 2024, according to the U.S. Census Bureau.

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

Lea County, with 11.9% in 2024.

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.

Population aged 65 and over: other rankings

Counties in New Mexico: more rankings