RANKING · 1990 CENSUS · 33 SHOWN OF 33

Most racially diverse, New Mexico counties · 1990

New Mexico counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (1990 ACS). This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide. The median across all 33 is 61.

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New MexicoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Cibola County, NMNM26,80784–

02Sandoval County, NMNM159,56578–

03San Juan County, NMNM120,34075–

04Socorro County, NMNM15,83875–

05Bernalillo County, NMNM667,60169–

06Valencia County, NMNM82,01368–

07Santa Fe County, NMNM156,90767–

08Luna County, NMNM25,40766–

09Otero County, NMNM70,36866–

10Colfax County, NMNM12,18465–

11Doña Ana County, NMNM229,09165–

12Grant County, NMNM27,25265–

13Harding County, NMNM61764–

14Hidalgo County, NMNM3,92964–

15Chaves County, NMNM63,36463–

16Quay County, NMNM8,45462–

17Torrance County, NMNM16,10061–

18Taos County, NMNM34,56461–

19Lea County, NMNM74,74961–

20Curry County, NMNM46,65561–

21Eddy County, NMNM62,50961–

22De Baca County, NMNM1,64758–

23McKinley County, NMNM68,11958–

24Union County, NMNM3,84457–

25Rio Arriba County, NMNM39,83255–

26Roosevelt County, NMNM18,61554–

27Lincoln County, NMNM19,84453–

28Catron County, NMNM3,82751–

29Sierra County, NMNM11,39548–

30San Miguel County, NMNM26,26041–

31Mora County, NMNM4,05132–

32Guadalupe County, NMNM4,34332–

33Los Alamos County, NMNM19,40731–

SHOWING 1–33 OF 33

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