Counties in New Mexico by households

Bernalillo County had the highest households of 33 counties in 2021, at 277,653. Harding County had the lowest, at 202. The median was 9,047 and the figure for New Mexico was 797,596. Source: the U.S. Census Bureau.

Highest277,653Bernalillo County

Lowest202Harding County

Median9,04733 counties

New Mexico797,596History

Map of counties, 2021

Under 2,000
2,000 to 6,000
6,000 to 9,000
9,000 to 19K
19K to 25K
25K and over

count, 2021. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: occupied housing units (households). Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: occupied housing units (households). Retrieved 2026-10-12.

Full ranking

Rank	Counties	2021 count
1	Bernalillo County	277,653
2	Doña Ana County	79,933
3	Santa Fe County	65,856
4	Sandoval County	53,567
5	San Juan County	40,639
6	Valencia County	25,550
7	Lea County	23,851
8	Otero County	23,590
9	Chaves County	23,244
10	Eddy County	22,315
11	McKinley County	20,769
12	Curry County	18,285
13	Rio Arriba County	13,293
14	Taos County	12,840
15	San Miguel County	11,451
16	Grant County	11,144
17	Luna County	9,047
18	Lincoln County	8,723
19	Los Alamos County	8,029
20	Cibola County	7,934
21	Roosevelt County	6,895
22	Colfax County	5,638
23	Torrance County	5,406
24	Sierra County	5,321
25	Socorro County	4,834
26	Quay County	3,359
27	Mora County	2,129
28	Hidalgo County	1,573
29	Catron County	1,523
30	Union County	1,277
31	Guadalupe County	1,146
32	De Baca County	580
33	Harding County	202

Other periods

2024
2023
2022
2021

About this ranking

Number of households, which equals the number of occupied housing units. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

People living in group quarters, such as college dormitories, nursing homes and prisons, are not in households.

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. American Community Survey 5-year estimates, table B25003: occupied housing units (households). https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat. 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). American Community Survey 5-year estimates, table B25003: occupied housing units (households) (Counties in New Mexico by households, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat

MLA 9

American Community Survey 5-year estimates, table B25003: occupied housing units (households), Counties in New Mexico by households, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat. Invokely, https://invokely.ai/rankings/households/new-mexico-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25003: occupied housing units (households). Counties in New Mexico by households, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat. Also distributed by Invokely, https://invokely.ai/rankings/households/new-mexico-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25003: occupied housing units (households), Counties in New Mexico by households, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat, via Invokely: https://invokely.ai/rankings/households/new-mexico-counties?period=2021 (Accessed: 12 October 2026).

BibTeX

@misc{census_counties_in_new_mexico_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25003: occupied housing units (households): Counties in New Mexico by households, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/households/new-mexico-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households). https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25003: occupied housing units (households): Counties in New Mexico by households, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat
L2  - https://invokely.ai/rankings/households/new-mexico-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/households/new-mexico-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25003: occupied housing units (households). https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b25003.dat. Retrieved 2026-10-12.
ER  -

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Questions

Which county has the highest households?

Bernalillo County, with 277,653 in 2021, according to the U.S. Census Bureau.

Which county has the lowest households?

Harding County, with 202 in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B25003: occupied housing units (households). Retrieved 2026-10-12.