RANKING · 2010 CENSUS · 33 SHOWN OF 33

Least racially diverse, New Mexico counties · 2010

New Mexico counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide.

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New MexicoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Mora County, NMNM4,05139+8%

02Guadalupe County, NMNM4,34347+28%

03San Miguel County, NMNM26,26048+17%

04Catron County, NMNM3,82749+17%

05Los Alamos County, NMNM19,40749+40%

06McKinley County, NMNM68,11951−23%

07Sierra County, NMNM11,39555+10%

08Rio Arriba County, NMNM39,83255+64%

09Lincoln County, NMNM19,84459+20%

10Doña Ana County, NMNM229,09159+1%

11De Baca County, NMNM1,64760+4%

12Luna County, NMNM25,40762+0%

13Harding County, NMNM61763+0%

14Hidalgo County, NMNM3,92963+2%

15Roosevelt County, NMNM18,61566+10%

16Union County, NMNM3,84466+13%

17Valencia County, NMNM82,01366+6%

18Colfax County, NMNM12,18466+5%

19Torrance County, NMNM16,10066+7%

20Grant County, NMNM27,25267+5%

21Eddy County, NMNM62,50967+7%

22Quay County, NMNM8,45468+10%

23Chaves County, NMNM63,36468+5%

24Santa Fe County, NMNM156,90769+7%

25Lea County, NMNM74,74969+4%

26Taos County, NMNM34,56470+18%

27Curry County, NMNM46,65572+8%

28Otero County, NMNM70,36874+14%

29Bernalillo County, NMNM667,60174+10%

30Socorro County, NMNM15,83876+19%

31Sandoval County, NMNM159,56579+27%

32San Juan County, NMNM120,34080+68%

33Cibola County, NMNM26,80782+28%

SHOWING 1–33 OF 33

Download CSV (full list, 33 rows)How this score is calculated

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