RANKING · 2024 ACS · 33 SHOWN OF 33

Largest senior population, New Mexico counties

New Mexico counties home to the most residents aged 65 and over as of 2024. Ranked by number of people, not the senior share. This list covers the 33 counties in New Mexico that qualify, ranked against each other statewide. The median across all 33 is 6,185.

New MexicoAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Most unmarried people Most unmarried men

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Bernalillo County, NMNM667,601123,220+92%

02Santa Fe County, NMNM156,90743,785+215%

03Doña Ana County, NMNM229,09138,231+107%

04Sandoval County, NMNM159,56530,805+223%

05San Juan County, NMNM120,34020,461+98%

06Valencia County, NMNM82,01314,696+119%

07Otero County, NMNM70,36812,077+66%

08Chaves County, NMNM63,36410,569+17%

09▲1Taos County, NMNM34,56410,539+185%

10▼1McKinley County, NMNM68,1199,712+88%

11Eddy County, NMNM62,5099,034+19%

12Rio Arriba County, NMNM39,8328,742+95%

13▲1Grant County, NMNM27,2528,419+65%

14▼1Lea County, NMNM74,7498,378+24%

15▲2San Miguel County, NMNM26,2606,868+95%

16Lincoln County, NMNM19,8446,327+82%

17▼2Curry County, NMNM46,6556,185+20%

18Luna County, NMNM25,4075,330+17%

19Cibola County, NMNM26,8074,881+79%

20Sierra County, NMNM11,3954,465+22%

21Los Alamos County, NMNM19,4073,573+61%

22Colfax County, NMNM12,1843,549+48%

23Torrance County, NMNM16,1003,488+112%

24Socorro County, NMNM15,8383,410+73%

25Roosevelt County, NMNM18,6152,840+30%

26Quay County, NMNM8,4542,260+17%

27Catron County, NMNM3,8271,780+167%

28Mora County, NMNM4,0511,411+77%

29Hidalgo County, NMNM3,929943+17%

30▲1Union County, NMNM3,844916+24%

31▼1Guadalupe County, NMNM4,343754+16%

32De Baca County, NMNM1,647419−26%

33Harding County, NMNM617197−14%

SHOWING 1–33 OF 33

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES