RANKING · 2010 CENSUS · 33 SHOWN OF 33

Oldest housing stock, New Mexico counties · 2010

New Mexico counties ranked by oldest median year of construction (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

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 2000

01Harding County, NMNM6171951–

02De Baca County, NMNM1,6471957–

03Guadalupe County, NMNM4,3431958–

04Union County, NMNM3,8441959–

05Chaves County, NMNM63,3641966–

06Eddy County, NMNM62,5091968–

07Curry County, NMNM46,6551969–

08Roosevelt County, NMNM18,6151969–

09Lea County, NMNM74,7491970–

10Quay County, NMNM8,4541970–

11Los Alamos County, NMNM19,4071972–

12Mora County, NMNM4,0511972–

13Hidalgo County, NMNM3,9291974–

14Colfax County, NMNM12,1841975–

15San Miguel County, NMNM26,2601975–

16Socorro County, NMNM15,8381975–

17Cibola County, NMNM26,8071976–

18Grant County, NMNM27,2521977–

19Sierra County, NMNM11,3951977–

20Catron County, NMNM3,8271978–

21Taos County, NMNM34,5641978–

22Bernalillo County, NMNM667,6011979–

23McKinley County, NMNM68,1191979–

24Rio Arriba County, NMNM39,8321979–

25Lincoln County, NMNM19,8441980–

26Luna County, NMNM25,4071981–

27Otero County, NMNM70,3681981–

28San Juan County, NMNM120,3401982–

29Torrance County, NMNM16,1001984–

30Santa Fe County, NMNM156,9071985–

31Valencia County, NMNM82,0131985–

32Doña Ana County, NMNM229,0911986–

33Sandoval County, NMNM159,5651991–

SHOWING 1–33 OF 33

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