Population in New Mexico by County

Total population.

U.S. Census Bureau · ACS 5-year 2020-2024 · Updated November 2026

New Mexico

2,120,246

Counties

33

Highest

Bernalillo

673,930

Lowest

Harding

741

All New Mexico counties, ranked

# Counties Population
1 Bernalillo 673,930
2 Doña Ana 224,266
3 Santa Fe 156,105
4 Sandoval 153,604
5 San Juan 120,942
6 Valencia 78,458
7 Lea 73,733
8 McKinley 70,431
9 Otero 68,816
10 Chaves 64,217
11 Eddy 61,105
12 Curry 47,638
13 Rio Arriba 40,070
14 Taos 34,543
15 Grant 27,775
16 San Miguel 26,850
17 Cibola 26,845
18 Luna 25,611
19 Lincoln 20,224
20 Los Alamos 19,435
21 Roosevelt 18,928
22 Socorro 16,200
23 Torrance 15,490
24 Colfax 12,322
25 Sierra 11,500
26 Quay 8,564
27 Guadalupe 4,381
28 Mora 4,149
29 Hidalgo 4,041
30 Union 4,013
31 Catron 3,743
32 De Baca 1,576
33 Harding 741

About this dataset

Total population. Source: ACS 5-year 2020-2024 Data Profile, variable DP05_0001E. Values in people.

Source
U.S. Census Bureau
Citation
U.S. Census Bureau, American Community Survey 5-Year Estimates Data Profiles (2020-2024), DP05_0001E
Vintage
ACS 5-year 2020-2024
License
Public domain (U.S. Census Bureau)
Unit
people
Available at
State · County · ZIP code
Territory roll-up
Summed across each territory
Last loaded
November 2026

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Population by county in other states

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US Population nationwide