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

Counties in New Mexico by population aged 18 to 64

Guadalupe County had the highest population aged 18 to 64 of 33 counties in 2019, at 61.5%. Catron County had the lowest, at 46.2%. The median was 58.1% and the figure for New Mexico was 59.1%. Source: the U.S. Census Bureau.

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Highest61.5Guadalupe County
Lowest46.2Catron County
Median58.133 counties
New Mexico59.1History

Map of counties, 2019

Bernalillo County: 61.5 %Catron County: 46.2 %Chaves County: 57.8 %Cibola County: 59.6 %Colfax County: 55.4 %Curry County: 60.3 %De Baca County: 51.7 %Doña Ana County: 58.9 %Eddy County: 59.6 %Grant County: 52.6 %Guadalupe County: 61.5 %Harding County: 51.3 %Hidalgo County: 55.9 %Lea County: 59.9 %Lincoln County: 53 %Los Alamos County: 59.4 %Luna County: 53.6 %McKinley County: 59.1 %Mora County: 54.7 %Otero County: 59.3 %Quay County: 52.2 %Rio Arriba County: 57.9 %Roosevelt County: 60.8 %Sandoval County: 57.4 %San Juan County: 58.2 %San Miguel County: 59.4 %Santa Fe County: 57.3 %Sierra County: 48.7 %Socorro County: 59.3 %Taos County: 55.7 %Torrance County: 58.1 %Union County: 59.6 %Valencia County: 58.3 %
  • Under 53
  • 53 to 56
  • 56 to 58
  • 58 to 59
  • 59 to 60
  • 60 and over
%, 2019. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2019

Guadalupe County: 61.5 %Guadalupe County61.5Bernalillo County: 61.5 %Bernalillo County61.5Roosevelt County: 60.8 %Roosevelt County60.8Curry County: 60.3 %Curry County60.3Lea County: 59.9 %Lea County59.9Union County: 59.6 %Union County59.6Eddy County: 59.6 %Eddy County59.6Cibola County: 59.6 %Cibola County59.6San Miguel County: 59.4 %San Miguel County59.4Los Alamos County: 59.4 %Los Alamos County59.4Socorro County: 59.3 %Socorro County59.3Otero County: 59.3 %Otero County59.3McKinley County: 59.1 %McKinley County59.1Doña Ana County: 58.9 %Doña Ana County58.9Valencia County: 58.3 %Valencia County58.3San Juan County: 58.2 %San Juan County58.2Torrance County: 58.1 %Torrance County58.1Rio Arriba County: 57.9 %Rio Arriba County57.9Chaves County: 57.8 %Chaves County57.8Sandoval County: 57.4 %Sandoval County57.4Santa Fe County: 57.3 %Santa Fe County57.3Hidalgo County: 55.9 %Hidalgo County55.9Taos County: 55.7 %Taos County55.7Colfax County: 55.4 %Colfax County55.4Mora County: 54.7 %Mora County54.7Luna County: 53.6 %Luna County53.6Lincoln County: 53 %Lincoln County53Grant County: 52.6 %Grant County52.6Quay County: 52.2 %Quay County52.2De Baca County: 51.7 %De Baca County51.7Harding County: 51.3 %Harding County51.3Sierra County: 48.7 %Sierra County48.7Catron County: 46.2 %Catron County46.2Guadalupe County: 61.5 %Guadalupe County61.5Bernalillo County: 61.5 %Bernalillo County61.5Roosevelt County: 60.8 %Roosevelt County60.8Curry County: 60.3 %Curry County60.3Lea County: 59.9 %Lea County59.9Union County: 59.6 %Union County59.6Eddy County: 59.6 %Eddy County59.6Cibola County: 59.6 %Cibola County59.6San Miguel County: 59.4 %San Miguel County59.4Los Alamos County: 59.4 %Los Alamos County59.4Socorro County: 59.3 %Socorro County59.3Otero County: 59.3 %Otero County59.3McKinley County: 59.1 %McKinley County59.1Doña Ana County: 58.9 %Doña Ana County58.9Valencia County: 58.3 %Valencia County58.3San Juan County: 58.2 %San Juan County58.2Torrance County: 58.1 %Torrance County58.1Rio Arriba County: 57.9 %Rio Arriba County57.9Chaves County: 57.8 %Chaves County57.8Sandoval County: 57.4 %Sandoval County57.4Santa Fe County: 57.3 %Santa Fe County57.3Hidalgo County: 55.9 %Hidalgo County55.9Taos County: 55.7 %Taos County55.7Colfax County: 55.4 %Colfax County55.4Mora County: 54.7 %Mora County54.7Luna County: 53.6 %Luna County53.6Lincoln County: 53 %Lincoln County53Grant County: 52.6 %Grant County52.6Quay County: 52.2 %Quay County52.2De Baca County: 51.7 %De Baca County51.7Harding County: 51.3 %Harding County51.3Sierra County: 48.7 %Sierra County48.7Catron County: 46.2 %Catron County46.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2019 (%)Change on 2018
1Guadalupe County61.5+0.9 pts
2Bernalillo County61.5-0.2 pts
3Roosevelt County60.8-0.3 pts
4Curry County60.3-0.3 pts
5Lea County59.9+0.2 pts
6Union County59.6-0.5 pts
7Eddy County59.6-0.1 pts
8Cibola County59.6-0.2 pts
9San Miguel County59.4-0.5 pts
10Los Alamos County59.4+0.1 pts
11Socorro County59.3-0.4 pts
12Otero County59.3+0.2 pts
13McKinley County59.1-0.1 pts
14Doña Ana County58.9-0.4 pts
15Valencia County58.3-0.3 pts
16San Juan County58.2-0.4 pts
17Torrance County58.1-0.3 pts
18Rio Arriba County57.9-0.2 pts
19Chaves County57.8+0.1 pts
20Sandoval County57.4-0.5 pts
21Santa Fe County57.3-0.6 pts
22Hidalgo County55.90 pts
23Taos County55.7-0.5 pts
24Colfax County55.4-0.4 pts
25Mora County54.7+0.7 pts
26Luna County53.6-0 pts
27Lincoln County53-0.4 pts
28Grant County52.6-0.1 pts
29Quay County52.2-0.5 pts
30De Baca County51.7-0.1 pts
31Harding County51.3-1.4 pts
32Sierra County48.7-0.9 pts
33Catron County46.2-1.3 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, 2019) [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, 2019. 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=2019. 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, 2019. 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=2019.

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, 2019 [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=2019 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_new_mexico_2019,
  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, 2019}},
  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=2019. 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, 2019
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=2019
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-18-64/new-mexico-counties?period=2019.
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?

Guadalupe County, with 61.5% in 2019, according to the U.S. Census Bureau.

Which county has the lowest population aged 18 to 64?

Catron County, with 46.2% in 2019.

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