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 2022, at 42%. Lea County had the lowest, at 11.8%. The median was 21.5% and the figure for New Mexico was 19.7%. Source: the U.S. Census Bureau.

Highest42Catron County
Lowest11.8Lea County
Median21.533 counties
New Mexico19.7History

All counties, 2022

CSVChart (SVG)

Catron CountyCatron County: 42 %42Harding CountyHarding County: 39.6 %39.6Sierra CountySierra County: 36.4 %36.4Lincoln CountyLincoln County: 31.8 %31.8Mora CountyMora County: 31.7 %31.7Grant CountyGrant County: 30.8 %30.8Taos CountyTaos County: 29.3 %29.3De Baca CountyDe Baca County: 28.3 %28.3Colfax CountyColfax County: 28.2 %28.2Santa Fe CountySanta Fe County: 27.9 %27.9Quay CountyQuay County: 27.3 %27.3San Miguel CountySan Miguel County: 23.8 %23.8Torrance CountyTorrance County: 23.3 %23.3Hidalgo CountyHidalgo County: 23 %23Rio Arriba CountyRio Arriba County: 22.6 %22.6Luna CountyLuna County: 21.9 %21.9Union CountyUnion County: 21.5 %21.5Guadalupe CountyGuadalupe County: 21.4 %21.4Sandoval CountySandoval County: 20.8 %20.8Socorro CountySocorro County: 20.8 %20.8Los Alamos CountyLos Alamos County: 19 %19Valencia CountyValencia County: 19 %19Otero CountyOtero County: 19 %19Bernalillo CountyBernalillo County: 18.7 %18.7Doña Ana CountyDoña Ana County: 18.1 %18.1Cibola CountyCibola County: 18 %18San Juan CountySan Juan County: 16.7 %16.7Chaves CountyChaves County: 16.6 %16.6Eddy CountyEddy County: 15.1 %15.1Roosevelt CountyRoosevelt County: 15.1 %15.1McKinley CountyMcKinley County: 14.4 %14.4Curry CountyCurry County: 13.8 %13.8Lea CountyLea County: 11.8 %11.8
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2022 (%)Change on 2021
1Catron County42-0.6 pts
2Harding County39.6+0.2 pts
3Sierra County36.4+0.2 pts
4Lincoln County31.8+0.9 pts
5Mora County31.7+1.3 pts
6Grant County30.8+0.8 pts
7Taos County29.3+0.9 pts
8De Baca County28.3-0.4 pts
9Colfax County28.2+0.8 pts
10Santa Fe County27.9+0.9 pts
11Quay County27.3+0.6 pts
12San Miguel County23.8+0.8 pts
13Torrance County23.3+0.6 pts
14Hidalgo County23+0.7 pts
15Rio Arriba County22.6+0.9 pts
16Luna County21.9+0.2 pts
17Union County21.5+0.5 pts
18Guadalupe County21.4+1.4 pts
19Sandoval County20.8+0.5 pts
20Socorro County20.8+0.6 pts
21Los Alamos County19+0.2 pts
22Valencia County19+0.3 pts
23Otero County19+0.5 pts
24Bernalillo County18.7+0.6 pts
25Doña Ana County18.1+0.4 pts
26Cibola County18+0.6 pts
27San Juan County16.7+0.6 pts
28Chaves County16.6+0.4 pts
29Eddy County15.1+0.4 pts
29Roosevelt County15.1+0.3 pts
31McKinley County14.4+0.6 pts
32Curry County13.8+0.3 pts
33Lea County11.8+0.4 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}
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Questions

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

Catron County, with 42% in 2022, according to the U.S. Census Bureau.

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

Lea County, with 11.8% 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 (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