RANKING · 1990 CENSUS · 33 SHOWN OF 33

Least educated, New Mexico counties · 1990

New Mexico counties with the smallest share of adults 25+ holding a bachelor's degree or higher (1990 ACS). This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide. The median across all 33 is 14.2%.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS –

01Guadalupe County, NMNM4,3436.1%–

02Sierra County, NMNM11,3958.5%–

03Cibola County, NMNM26,8078.8%–

04Quay County, NMNM8,4549.9%–

05Rio Arriba County, NMNM39,83210.3%–

06Eddy County, NMNM62,50910.9%–

07Torrance County, NMNM16,10010.9%–

08McKinley County, NMNM68,11911.1%–

09Luna County, NMNM25,40711.1%–

10De Baca County, NMNM1,64711.4%–

11Lea County, NMNM74,74911.5%–

12Hidalgo County, NMNM3,92911.7%–

13Union County, NMNM3,84412.0%–

14Valencia County, NMNM82,01312.1%–

15San Juan County, NMNM120,34012.3%–

16Curry County, NMNM46,65513.7%–

17Mora County, NMNM4,05114.2%–

18Chaves County, NMNM63,36414.3%–

19Colfax County, NMNM12,18414.7%–

20Otero County, NMNM70,36815.0%–

21Harding County, NMNM61715.7%–

22Lincoln County, NMNM19,84416.1%–

23San Miguel County, NMNM26,26016.2%–

24Grant County, NMNM27,25216.4%–

25Socorro County, NMNM15,83817.1%–

26Roosevelt County, NMNM18,61518.1%–

27Taos County, NMNM34,56418.5%–

28Catron County, NMNM3,82718.7%–

29Sandoval County, NMNM159,56519.1%–

30Doña Ana County, NMNM229,09121.9%–

31Bernalillo County, NMNM667,60126.7%–

32Santa Fe County, NMNM156,90732.3%–

33Los Alamos County, NMNM19,40753.4%–

SHOWING 1–33 OF 33

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