RANKING · 2010 CENSUS · 33 SHOWN OF 33

Largest households, New Mexico counties · 2010

New Mexico counties ranked by average household size (2023 ACS). This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide.

New MexicoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

01McKinley County, NMNM68,1193.96–

02Cibola County, NMNM26,8073.11–

03San Juan County, NMNM120,3403.01–

04Harding County, NMNM6172.94–

05Socorro County, NMNM15,8382.92–

06Hidalgo County, NMNM3,9292.91–

07Lea County, NMNM74,7492.82–

08Sandoval County, NMNM159,5652.75–

09Roosevelt County, NMNM18,6152.74–

10Doña Ana County, NMNM229,0912.73–

11Luna County, NMNM25,4072.71–

12Mora County, NMNM4,0512.71–

13Valencia County, NMNM82,0132.71–

14Eddy County, NMNM62,5092.68–

15Rio Arriba County, NMNM39,8322.65–

16Curry County, NMNM46,6552.63–

17Chaves County, NMNM63,3642.63–

18Torrance County, NMNM16,1002.61–

19Otero County, NMNM70,3682.56–

20Union County, NMNM3,8442.52–

21Guadalupe County, NMNM4,3432.50–

22Sierra County, NMNM11,3952.47–

23Taos County, NMNM34,5642.47–

24Bernalillo County, NMNM667,6012.46–

25Los Alamos County, NMNM19,4072.38–

26Grant County, NMNM27,2522.34–

27Colfax County, NMNM12,1842.33–

28Quay County, NMNM8,4542.33–

29Lincoln County, NMNM19,8442.32–

30San Miguel County, NMNM26,2602.31–

31Santa Fe County, NMNM156,9072.31–

32De Baca County, NMNM1,6472.26–

33Catron County, NMNM3,8272.00–

SHOWING 1–33 OF 33

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES