Counties in New Mexico by population aged 18 to 64

Guadalupe County had the highest population aged 18 to 64 of 33 counties in 2022, at 61.1%. Harding County had the lowest, at 46.8%. The median was 57.6% and the figure for New Mexico was 58.5%. Source: the U.S. Census Bureau.

Highest61.1Guadalupe County

Lowest46.8Harding County

Median57.633 counties

New Mexico58.5History

Map of counties, 2022

Under 52
52 to 55
55 to 58
58 to 59
59 and over

%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

Rank	Counties	2022 (%)	Change on 2021
1	Guadalupe County	61.1	-1.2 pts
2	Bernalillo County	60.9	-0.2 pts
3	Roosevelt County	60.7	-0.1 pts
4	Los Alamos County	59.7	+0.3 pts
5	Lea County	59.5	-0 pts
6	Curry County	59.4	-0.1 pts
7	Eddy County	59.1	-0.4 pts
8	McKinley County	59.1	+0.1 pts
9	Union County	59	+0.4 pts
10	Doña Ana County	58.6	-0 pts
11	Socorro County	58.6	-0.2 pts
12	Cibola County	58.6	-0.5 pts
13	Otero County	58.5	-0.1 pts
14	San Miguel County	57.9	-0.5 pts
15	Valencia County	57.8	-0.1 pts
16	Chaves County	57.7	0 pts
17	San Juan County	57.6	-0.3 pts
18	Sandoval County	57	-0 pts
19	Rio Arriba County	56	-0.7 pts
20	Torrance County	56	-0.8 pts
21	Santa Fe County	55.9	-0.5 pts
22	Hidalgo County	55	-0.9 pts
23	Colfax County	54.7	-0.5 pts
24	Taos County	54.2	-0.4 pts
25	Luna County	53.1	-0 pts
26	De Baca County	51.9	-0.3 pts
27	Mora County	51.9	-0.7 pts
28	Quay County	51.4	-0.1 pts
29	Grant County	51.2	-0.5 pts
30	Lincoln County	50.8	-0.8 pts
31	Sierra County	48	-0.3 pts
32	Catron County	47	+0.5 pts
33	Harding County	46.8	-1.1 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, 2022) [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, 2022. 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=2022. 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, 2022. 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=2022.

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, 2022 [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=2022 (Accessed: 12 October 2026).

BibTeX

@misc{census_counties_in_new_mexico_2022,
  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, 2022}},
  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=2022. 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, 2022
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=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-18-64/new-mexico-counties?period=2022.
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 61.1% in 2022, according to the U.S. Census Bureau.

Which county has the lowest population aged 18 to 64?

Harding County, with 46.8% 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: 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.