RANKING · 2020 CENSUS · 33 SHOWN OF 33

Oldest housing stock, New Mexico counties · 2020

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, NMNM6171953–

02De Baca County, NMNM1,6471964–

03Union County, NMNM3,8441964–

04Quay County, NMNM8,4541966–

05Chaves County, NMNM63,3641972–

06Guadalupe County, NMNM4,3431973–

07Lea County, NMNM74,7491973–

08Eddy County, NMNM62,5091974–

09Los Alamos County, NMNM19,4071974–

10Cibola County, NMNM26,8071976–

11Curry County, NMNM46,6551976–

12Grant County, NMNM27,2521976–

13Roosevelt County, NMNM18,6151976–

14Hidalgo County, NMNM3,9291977–

15Colfax County, NMNM12,1841978–

16Luna County, NMNM25,4071979–

17Mora County, NMNM4,0511979–

18Rio Arriba County, NMNM39,8321980–

19San Miguel County, NMNM26,2601980–

20Sierra County, NMNM11,3951980–

21Bernalillo County, NMNM667,6011981–

22Socorro County, NMNM15,8381981–

23Lincoln County, NMNM19,8441982–

24Otero County, NMNM70,3681982–

25McKinley County, NMNM68,1191983–

26Taos County, NMNM34,5641983–

27Catron County, NMNM3,8271984–

28San Juan County, NMNM120,3401985–

29Torrance County, NMNM16,1001987–

30Doña Ana County, NMNM229,0911988–

31Santa Fe County, NMNM156,9071988–

32Valencia County, NMNM82,0131988–

33Sandoval County, NMNM159,5651994–

SHOWING 1–33 OF 33

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