New Mexico Population By County in 2018
Updated on December 2, 2021.

According to the US Census Bureau population estimates, there were 2,093,754 people living in New Mexico in 2018. Bernalillo County was the most populated county with 677,929 residents, followed by Do�a Ana County with 217,470 residents, and Santa Fe County with 150,128 residents. Harding County with a population of 649 was the least populated county in New Mexico in 2018.

Use the map below to interactively explore the population of each county in New Mexico in 2018. The data can also be explored further by sorting and filtering with the table below.

Hover/Click on the counties to see the values.
New Mexico Population By County (2018)
See also Population estimate for other years:
Table of New Mexico Population By County in 2018
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County Population % of State Population
Bernalillo 677,929 32.38%
Catron 3,523 0.17%
Chaves 64,488 3.08%
Cibola 26,797 1.28%
Colfax 12,097 0.58%
Curry 49,413 2.36%
De Baca 1,781 0.09%
Do�a Ana 217,470 10.39%
Eddy 57,718 2.76%
Grant 27,274 1.30%
Guadalupe 4,323 0.21%
Harding 649 0.03%
Hidalgo 4,233 0.20%
Lea 69,538 3.32%
Lincoln 19,608 0.94%
Los Alamos 19,018 0.91%
Luna 23,904 1.14%
McKinley 71,974 3.44%
Mora 4,472 0.21%
Otero 66,599 3.18%
Quay 8,203 0.39%
Rio Arriba 38,979 1.86%
Roosevelt 18,713 0.89%
Sandoval 145,407 6.95%
San Juan 125,652 6.00%
San Miguel 27,512 1.31%
Santa Fe 150,128 7.17%
Sierra 10,963 0.52%
Socorro 16,649 0.80%
Taos 32,708 1.56%
Torrance 15,481 0.74%
Union 4,099 0.20%
Valencia 76,452 3.65%