RANKING · 1990 CENSUS · 33 SHOWN OF 33

Oldest housing stock, New Mexico counties · 1990

New Mexico counties ranked by oldest median year of construction (1990 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 –

01Harding County, NMNM6171942–

02Union County, NMNM3,8441952–

03De Baca County, NMNM1,6471953–

04Mora County, NMNM4,0511955–

05Colfax County, NMNM12,1841960–

06Guadalupe County, NMNM4,3431960–

07Roosevelt County, NMNM18,6151962–

08Eddy County, NMNM62,5091963–

09Quay County, NMNM8,4541963–

10Chaves County, NMNM63,3641963–

11Los Alamos County, NMNM19,4071964–

12Lea County, NMNM74,7491965–

13Curry County, NMNM46,6551966–

14San Miguel County, NMNM26,2601966–

15Catron County, NMNM3,8271970–

16Grant County, NMNM27,2521970–

17Bernalillo County, NMNM667,6011971–

18Cibola County, NMNM26,8071971–

19Otero County, NMNM70,3681971–

20Taos County, NMNM34,5641971–

21Hidalgo County, NMNM3,9291972–

22Rio Arriba County, NMNM39,8321972–

23Sierra County, NMNM11,3951972–

24Socorro County, NMNM15,8381972–

25Luna County, NMNM25,4071973–

26Lincoln County, NMNM19,8441974–

27McKinley County, NMNM68,1191974–

28San Juan County, NMNM120,3401974–

29Santa Fe County, NMNM156,9071974–

30Doña Ana County, NMNM229,0911975–

31Torrance County, NMNM16,1001975–

32Valencia County, NMNM82,0131976–

33Sandoval County, NMNM159,5651981–

SHOWING 1–33 OF 33

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS