Data / Rankings / Population aged 18 to 64 / Counties in New Mexico

Counties in New Mexico by population aged 18 to 64

Roosevelt County had the highest population aged 18 to 64 of 33 counties in 2024, at 60.8%. Catron County had the lowest, at 44.7%. The median was 57.1% and the figure for New Mexico was 58.3%. Source: the U.S. Census Bureau.

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Highest60.8Roosevelt County
Lowest44.7Catron County
Median57.133 counties
New Mexico58.3History

Map of counties, 2024

Bernalillo County: 60.7 %Catron County: 44.7 %Chaves County: 58.1 %Cibola County: 58.3 %Colfax County: 53.6 %Curry County: 59.2 %De Baca County: 51.4 %Doña Ana County: 58.7 %Eddy County: 59.5 %Grant County: 50.7 %Guadalupe County: 59.9 %Harding County: 46.2 %Hidalgo County: 53.8 %Lea County: 59.8 %Lincoln County: 49.6 %Los Alamos County: 60 %Luna County: 52.5 %McKinley County: 58.9 %Mora County: 50.8 %Otero County: 58.6 %Quay County: 51.3 %Rio Arriba County: 55.3 %Roosevelt County: 60.8 %Sandoval County: 57.1 %San Juan County: 57.6 %San Miguel County: 57 %Santa Fe County: 55.5 %Sierra County: 46.5 %Socorro County: 57.9 %Taos County: 53.4 %Torrance County: 55.4 %Union County: 58.4 %Valencia County: 57.7 %
  • Under 51
  • 51 to 54
  • 54 to 57
  • 57 to 58
  • 58 to 59
  • 59 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Roosevelt County: 60.8 %Roosevelt County60.8Bernalillo County: 60.7 %Bernalillo County60.7Los Alamos County: 60 %Los Alamos County60Guadalupe County: 59.9 %Guadalupe County59.9Lea County: 59.8 %Lea County59.8Eddy County: 59.5 %Eddy County59.5Curry County: 59.2 %Curry County59.2McKinley County: 58.9 %McKinley County58.9Doña Ana County: 58.7 %Doña Ana County58.7Otero County: 58.6 %Otero County58.6Union County: 58.4 %Union County58.4Cibola County: 58.3 %Cibola County58.3Chaves County: 58.1 %Chaves County58.1Socorro County: 57.9 %Socorro County57.9Valencia County: 57.7 %Valencia County57.7San Juan County: 57.6 %San Juan County57.6Sandoval County: 57.1 %Sandoval County57.1San Miguel County: 57 %San Miguel County57Santa Fe County: 55.5 %Santa Fe County55.5Torrance County: 55.4 %Torrance County55.4Rio Arriba County: 55.3 %Rio Arriba County55.3Hidalgo County: 53.8 %Hidalgo County53.8Colfax County: 53.6 %Colfax County53.6Taos County: 53.4 %Taos County53.4Luna County: 52.5 %Luna County52.5De Baca County: 51.4 %De Baca County51.4Quay County: 51.3 %Quay County51.3Mora County: 50.8 %Mora County50.8Grant County: 50.7 %Grant County50.7Lincoln County: 49.6 %Lincoln County49.6Sierra County: 46.5 %Sierra County46.5Harding County: 46.2 %Harding County46.2Catron County: 44.7 %Catron County44.7Roosevelt County: 60.8 %Roosevelt County60.8Bernalillo County: 60.7 %Bernalillo County60.7Los Alamos County: 60 %Los Alamos County60Guadalupe County: 59.9 %Guadalupe County59.9Lea County: 59.8 %Lea County59.8Eddy County: 59.5 %Eddy County59.5Curry County: 59.2 %Curry County59.2McKinley County: 58.9 %McKinley County58.9Doña Ana County: 58.7 %Doña Ana County58.7Otero County: 58.6 %Otero County58.6Union County: 58.4 %Union County58.4Cibola County: 58.3 %Cibola County58.3Chaves County: 58.1 %Chaves County58.1Socorro County: 57.9 %Socorro County57.9Valencia County: 57.7 %Valencia County57.7San Juan County: 57.6 %San Juan County57.6Sandoval County: 57.1 %Sandoval County57.1San Miguel County: 57 %San Miguel County57Santa Fe County: 55.5 %Santa Fe County55.5Torrance County: 55.4 %Torrance County55.4Rio Arriba County: 55.3 %Rio Arriba County55.3Hidalgo County: 53.8 %Hidalgo County53.8Colfax County: 53.6 %Colfax County53.6Taos County: 53.4 %Taos County53.4Luna County: 52.5 %Luna County52.5De Baca County: 51.4 %De Baca County51.4Quay County: 51.3 %Quay County51.3Mora County: 50.8 %Mora County50.8Grant County: 50.7 %Grant County50.7Lincoln County: 49.6 %Lincoln County49.6Sierra County: 46.5 %Sierra County46.5Harding County: 46.2 %Harding County46.2Catron County: 44.7 %Catron County44.7
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Roosevelt County60.8-0.2 pts
2Bernalillo County60.7-0.1 pts
3Los Alamos County60+0.1 pts
4Guadalupe County59.9-0.5 pts
5Lea County59.8+0.2 pts
6Eddy County59.5+0.4 pts
7Curry County59.2-0.1 pts
8McKinley County58.90 pts
9Doña Ana County58.7-0.1 pts
10Otero County58.6-0 pts
11Union County58.4-0.5 pts
12Cibola County58.3-0 pts
13Chaves County58.1+0.2 pts
14Socorro County57.9-0.2 pts
15Valencia County57.7-0 pts
16San Juan County57.6-0 pts
17Sandoval County57.1+0.1 pts
18San Miguel County57-0.5 pts
19Santa Fe County55.5-0.1 pts
20Torrance County55.4-0.2 pts
21Rio Arriba County55.3-0.4 pts
22Hidalgo County53.8-1.2 pts
23Colfax County53.6-0.5 pts
24Taos County53.4-0.5 pts
25Luna County52.5-0.1 pts
26De Baca County51.4-0.7 pts
27Quay County51.3+0.3 pts
28Mora County50.8-0.5 pts
29Grant County50.7-0.1 pts
30Lincoln County49.6-0.4 pts
31Sierra County46.5-0.8 pts
32Harding County46.2-0.3 pts
33Catron County44.7-2 pts

Other periods

About this ranking

Residents aged 18 to 64 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.

Not comparable with working-age shares for ages 15 to 64 used in EU and World Bank statistics.

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: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. 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: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (Counties in New Mexico by population aged 18 to 64, 2024) [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: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in New Mexico by population aged 18 to 64, 2024. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/population-18-64/new-mexico-counties?period=2024. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Counties in New Mexico by population aged 18 to 64, 2024. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/population-18-64/new-mexico-counties?period=2024.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in New Mexico by population aged 18 to 64, 2024 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-18-64/new-mexico-counties?period=2024 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_mexico_2024,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in New Mexico by population aged 18 to 64, 2024}},
  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/population-18-64/new-mexico-counties?period=2024. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. 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: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in New Mexico by population aged 18 to 64, 2024
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/population-18-64/new-mexico-counties?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-18-64/new-mexico-counties?period=2024.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. 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 population aged 18 to 64?

Roosevelt County, with 60.8% in 2024, according to the U.S. Census Bureau.

Which county has the lowest population aged 18 to 64?

Catron County, with 44.7% 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: residents aged 18 to 64 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Retrieved 2026-10-12.

Population aged 18 to 64: other rankings

Counties in New Mexico: more rankings