RANKING · 2024 ACS · 33 SHOWN OF 33

Largest households, New Mexico counties

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, NMNM68,1193.25–

02Cibola County, NMNM26,8072.98–

03Socorro County, NMNM15,8382.94–

04Lea County, NMNM74,7492.90–

05San Juan County, NMNM120,3402.86–

06Valencia County, NMNM82,0132.78–

07Luna County, NMNM25,4072.72–

08Hidalgo County, NMNM3,9292.69–

09Sandoval County, NMNM159,5652.68–

10Otero County, NMNM70,3682.67–

11Guadalupe County, NMNM4,3432.65–

12Chaves County, NMNM63,3642.61–

13Harding County, NMNM6172.59–

14Doña Ana County, NMNM229,0912.58–

15Eddy County, NMNM62,5092.54–

16Rio Arriba County, NMNM39,8322.54–

17Torrance County, NMNM16,1002.54–

18Curry County, NMNM46,6552.51–

19Union County, NMNM3,8442.46–

20Roosevelt County, NMNM18,6152.40–

21Grant County, NMNM27,2522.39–

22Los Alamos County, NMNM19,4072.35–

23Bernalillo County, NMNM667,6012.32–

24Taos County, NMNM34,5642.20–

25Colfax County, NMNM12,1842.17–

26Santa Fe County, NMNM156,9072.17–

27San Miguel County, NMNM26,2602.16–

28Mora County, NMNM4,0512.10–

29Sierra County, NMNM11,3952.07–

30Lincoln County, NMNM19,8442.01–

31Catron County, NMNM3,8271.97–

32Quay County, NMNM8,4541.93–

33De Baca County, NMNM1,6471.90–

SHOWING 1–33 OF 33

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