RANKING · 2020 CENSUS · 33 SHOWN OF 33

Least racially diverse, New Mexico counties · 2020

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

01Catron County, NMNM3,82739−6%

02Mora County, NMNM4,05142+16%

03McKinley County, NMNM68,11947−30%

04San Miguel County, NMNM26,26049+18%

05Guadalupe County, NMNM4,34353+45%

06Doña Ana County, NMNM229,09158−2%

07Luna County, NMNM25,40758−6%

08Los Alamos County, NMNM19,40759+67%

09Rio Arriba County, NMNM39,83261+79%

10De Baca County, NMNM1,64762+6%

11Sierra County, NMNM11,39562+24%

12Lincoln County, NMNM19,84463+27%

13Hidalgo County, NMNM3,92964+4%

14Lea County, NMNM74,74964−3%

15Chaves County, NMNM63,36465+1%

16Valencia County, NMNM82,01365+4%

17Colfax County, NMNM12,18467+6%

18Torrance County, NMNM16,10067+8%

19Grant County, NMNM27,25268+7%

20Eddy County, NMNM62,50968+9%

21Union County, NMNM3,84468+18%

22Quay County, NMNM8,45469+11%

23Santa Fe County, NMNM156,90770+9%

24Roosevelt County, NMNM18,61570+18%

25Taos County, NMNM34,56471+20%

26Harding County, NMNM61772+15%

27Curry County, NMNM46,65575+12%

28Bernalillo County, NMNM667,60176+12%

29Socorro County, NMNM15,83877+20%

30Otero County, NMNM70,36877+20%

31Sandoval County, NMNM159,56580+29%

32San Juan County, NMNM120,34081+70%

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