New Mexico Population By County in 2018

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2018, the population of New Mexico was 2,093,754. Among all New Mexico counties, Bernalillo[object Promise] had the highest population (677,929), followed by Do�a Ana[object Promise] (217,470), and Santa Fe[object Promise] (150,128). Harding[object Promise] was the least populated county (649).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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New Mexico Population By County in 2018
New Mexico Population By County in 2018
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County Population % of State Population
Bernalillo 677929 32.38
Catron 3523 0.17
Chaves 64488 3.08
Cibola 26797 1.28
Colfax 12097 0.58
Curry 49413 2.36
De Baca 1781 0.09
Do�a Ana 217470 10.39
Eddy 57718 2.76
Grant 27274 1.30
Guadalupe 4323 0.21
Harding 649 0.03
Hidalgo 4233 0.20
Lea 69538 3.32
Lincoln 19608 0.94
Los Alamos 19018 0.91
Luna 23904 1.14
McKinley 71974 3.44
Mora 4472 0.21
Otero 66599 3.18
Quay 8203 0.39
Rio Arriba 38979 1.86
Roosevelt 18713 0.89
Sandoval 145407 6.95
San Juan 125652 6.00
San Miguel 27512 1.31
Santa Fe 150128 7.17
Sierra 10963 0.52
Socorro 16649 0.80
Taos 32708 1.56
Torrance 15481 0.74
Union 4099 0.20
Valencia 76452 3.65