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Counties in New Mexico

New Mexico has 33 counties. Find yours from your location, or explore the map and the full list with seats, population, time zones and FIPS codes.

Updated · Data: U.S. Census Bureau

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New Mexico has 33 counties, home to about 2,114,768 people. Sort the table by any column, or search by name or seat.

Counties33Mountain time
Most peopleBernalillo County674,357 residents, 32% of the state
Fewest peopleHarding County748 residents (survey estimate; small counties have wide margins of error)
Most crowdedBernalillo County581 people per sq mi
Largest by landCatron County6,924.2 sq mi
Priciest homesLos Alamos Countymedian value $452,500

New Mexico county map

Bernalillo County: 674,357 peopleCatron County: 3,685 peopleChaves County: 64,446 peopleCibola County: 27,059 peopleColfax County: 12,336 peopleCurry County: 47,932 peopleDe Baca County: 1,580 peopleDoña Ana County: 221,665 peopleEddy County: 61,114 peopleGrant County: 27,856 peopleGuadalupe County: 4,379 peopleHarding County: 748 peopleHidalgo County: 4,097 peopleLea County: 73,154 peopleLincoln County: 20,227 peopleLos Alamos County: 19,374 peopleLuna County: 25,420 peopleMcKinley County: 71,172 peopleMora County: 4,176 peopleOtero County: 68,235 peopleQuay County: 8,616 peopleRio Arriba County: 40,165 peopleRoosevelt County: 19,002 peopleSan Juan County: 121,178 peopleSan Miguel County: 27,036 peopleSandoval County: 151,538 peopleSanta Fe County: 155,175 peopleSierra County: 11,511 peopleSocorro County: 16,308 peopleTaos County: 34,516 peopleTorrance County: 15,290 peopleUnion County: 4,039 peopleValencia County: 77,382 people
Population7484.0k12k19k27k61k77kno data
Map of all 33 counties in New Mexico. Hover or tap a county for its facts; select it to find it in the table. Sources: Census TIGER/Line 2024, ACS 2019-2023 5-year, timezone-boundary-builder.

County explorer: all 33 counties in New Mexico

33 shown
CountySeatPopulationLand sq miPeople / sq miMedian homeTime zoneFIPS
BernalilloAlbuquerque674,3571,161.2581$268,500Mountain35001
Doña AnaLas Cruces221,6653,808.258$205,400Mountain35013
Santa FeSanta Fe155,1751,910.481$416,900Mountain35049
SandovalBernalillo151,5383,710.241$282,300Mountain35043
San JuanAztec121,1785,517.222$185,100Mountain35045
ValenciaLos Lunas77,3821,066.773$206,800Mountain35061
LeaLovington73,1544,391.617$176,000Mountain35025
McKinleyGallup71,1725,451.113$72,100Mountain35031
OteroAlamogordo68,2356,612.610$149,500Mountain35035
ChavesRoswell64,4466,067.211$141,900Mountain35005
EddyCarlsbad61,1144,176.315$199,400Mountain35015
CurryClovis47,9321,405.534$160,800Mountain35009
Rio ArribaTierra Amarilla40,1655,860.97$230,900Mountain35039
TaosTaos34,5162,202.416$354,000Mountain35055
GrantSilver City27,8563,961.27$164,400Mountain35017
CibolaGrants27,0594,540.06$120,000Mountain35006
San MiguelLas Vegas27,0364,721.56$177,600Mountain35047
LunaDeming25,4202,965.29$112,500Mountain35029
LincolnCarrizozo20,2274,831.14$212,200Mountain35027
Los AlamosLos Alamos19,374109.1178$452,500Mountain35028
RooseveltPortales19,0022,446.18$136,000Mountain35041
SocorroSocorro16,3086,646.42$143,200Mountain35053
TorranceEstancia15,2903,345.25$145,100Mountain35057
ColfaxRaton12,3363,758.03$161,000Mountain35007
SierraTruth or Consequences11,5114,181.23$144,800Mountain35051
QuayTucumcari8,6162,874.03$82,200Mountain35037
GuadalupeSanta Rosa4,3793,029.81$107,200Mountain35019
MoraMora4,1761,926.22$119,900Mountain35033
HidalgoLordsburg4,0973,438.61$114,000Mountain35023
UnionClayton4,0393,825.11$135,900Mountain35059
CatronReserve3,6856,924.21$171,800Mountain35003
De BacaFort Sumner1,5802,323.11$158,000Mountain35011
HardingMosquero7482,125.50$86,500Mountain35021

Which New Mexico cities are in more than one county?

  • Chaparral: Otero County 59.7%, Doña Ana County 40.3% of residents
  • Española: Rio Arriba County 67.9%, Santa Fe County 32.1% of residents
  • Chimayo: Rio Arriba County 88.2%, Santa Fe County 11.8% of residents
  • Barton: Bernalillo County 54.8%, Santa Fe County 45.2% of residents

Sources: Census TIGER/Line 2024; ACS 2019-2023 5-year; Wikidata, CC0 (seats); timezone-boundary-builder (time zones). Data as of November 1, 2026. Not affiliated with any government agency.

FAQ

Frequently asked questions

How many counties are in New Mexico?
33.
What is the most populated county in New Mexico?
Bernalillo County, with about 674,357 people (32% of the state).
What is the least populated county in New Mexico?
Harding County, with about 748 people (a survey estimate with a wide margin of error).
What is the largest county in New Mexico by land?
Catron County, 6,924.2 sq mi of land.
What county am I in, in New Mexico?
Use the tool at the top of this page: press Use my current location, or type your city or ZIP code.