RANKING · 2020 CENSUS · 33 SHOWN OF 33

Largest American population, New Mexico counties · 2020

New Mexico counties ranked by the number of residents who are American ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide. The median across all 33 is 840.

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

RELATEDHighest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

01Bernalillo County, NMNM667,60126,354+55%

02Santa Fe County, NMNM156,9076,420+96%

03Sandoval County, NMNM159,5656,407+55%

04Doña Ana County, NMNM229,0915,511+27%

05San Juan County, NMNM120,3404,789+35%

06Chaves County, NMNM63,3644,780+61%

07Valencia County, NMNM82,0134,652+50%

08Otero County, NMNM70,3684,570+66%

09Lea County, NMNM74,7494,108+4%

10Eddy County, NMNM62,5092,780−24%

11Socorro County, NMNM15,8382,741+264%

12Rio Arriba County, NMNM39,8322,585+817%

13Curry County, NMNM46,6552,433−53%

14Los Alamos County, NMNM19,4071,1680%

15Lincoln County, NMNM19,844889−9%

16Roosevelt County, NMNM18,615870−55%

17Sierra County, NMNM11,395840−25%

18Grant County, NMNM27,252824−4%

19Torrance County, NMNM16,100788+106%

20Luna County, NMNM25,407734+19%

21Quay County, NMNM8,454585−43%

22Taos County, NMNM34,564565+47%

23McKinley County, NMNM68,119386−60%

24San Miguel County, NMNM26,260369−22%

25Colfax County, NMNM12,184359−30%

26Cibola County, NMNM26,807307−24%

27Union County, NMNM3,844227−26%

28Hidalgo County, NMNM3,929191+6%

29Guadalupe County, NMNM4,343151+36%

30Catron County, NMNM3,827138−87%

31De Baca County, NMNM1,64781−67%

32Harding County, NMNM61763+200%

33Mora County, NMNM4,05156+44%

SHOWING 1–33 OF 33

Download CSV (full list, 33 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS