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 (2023 ACS). This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Guadalupe County, NMNM4,3436.1%−41%

02Sierra County, NMNM11,3958.5%−36%

03Cibola County, NMNM26,8078.8%−27%

04Quay County, NMNM8,4549.9%−27%

05Rio Arriba County, NMNM39,83210.3%−33%

06Eddy County, NMNM62,50910.9%−19%

07Torrance County, NMNM16,10010.9%−25%

08McKinley County, NMNM68,11911.1%−7%

09Luna County, NMNM25,40711.1%+7%

10De Baca County, NMNM1,64711.4%−30%

11Lea County, NMNM74,74911.5%−1%

12Hidalgo County, NMNM3,92911.7%+18%

13Union County, NMNM3,84412.0%−7%

14Valencia County, NMNM82,01312.1%−18%

15San Juan County, NMNM120,34012.3%−9%

16Curry County, NMNM46,65513.7%−10%

17Mora County, NMNM4,05114.2%−9%

18Chaves County, NMNM63,36414.3%−12%

19Colfax County, NMNM12,18414.7%−21%

20Otero County, NMNM70,36815.0%−3%

21Harding County, NMNM61715.7%−13%

22Lincoln County, NMNM19,84416.1%−30%

23San Miguel County, NMNM26,26016.2%−24%

24Grant County, NMNM27,25216.4%−20%

25Socorro County, NMNM15,83817.1%−12%

26Roosevelt County, NMNM18,61518.1%−20%

27Taos County, NMNM34,56418.5%−29%

28Catron County, NMNM3,82718.7%+2%

29Sandoval County, NMNM159,56519.1%−23%

30Doña Ana County, NMNM229,09121.9%−2%

31Bernalillo County, NMNM667,60126.7%−13%

32Santa Fe County, NMNM156,90732.3%−13%

33Los Alamos County, NMNM19,40753.4%−12%

SHOWING 1–33 OF 33

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