RANKING · 2020 CENSUS · 29 SHOWN OF 29

Most segregated, New Mexico counties · 2020

New Mexico counties ranked by the CensusEasy Segregation Score, the White vs non-White index of dissimilarity across census tracts (2020 ACS). Higher means residents are more sorted into separate neighborhoods. This list covers the 29 counties in New Mexico that qualify, ranked against each other statewide. The median across all 29 is 30.

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

RANKPLACESTATEPOPSEGREGATION SCOREVS –

01McKinley County, NMNM68,11958–

02Hidalgo County, NMNM3,92948–

03San Juan County, NMNM120,34041–

04Santa Fe County, NMNM156,90741–

05Otero County, NMNM70,36839–

06Doña Ana County, NMNM229,09137–

07Curry County, NMNM46,65536–

08Quay County, NMNM8,45435–

09Cibola County, NMNM26,80735–

10Catron County, NMNM3,82734–

11Bernalillo County, NMNM667,60133–

12Lea County, NMNM74,74931–

13Grant County, NMNM27,25230–

14Socorro County, NMNM15,83830–

15Rio Arriba County, NMNM39,83230–

16Sandoval County, NMNM159,56525–

17Valencia County, NMNM82,01322–

18Chaves County, NMNM63,36422–

19Taos County, NMNM34,56422–

20Roosevelt County, NMNM18,61520–

21Lincoln County, NMNM19,84420–

22San Miguel County, NMNM26,26018–

23Luna County, NMNM25,40716–

24Eddy County, NMNM62,50915–

25Torrance County, NMNM16,10014–

26Los Alamos County, NMNM19,40712–

27Sierra County, NMNM11,39511–

28Mora County, NMNM4,0518–

29Colfax County, NMNM12,1845–

SHOWING 1–29 OF 29

Download CSV (full list, 29 rows)How this score is calculated

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