New Mexico Counties by Population

Below are the 33 New Mexico counties sorted by population from largest to smallest. The population data are from the 2022 Population Estimates Program and 2021 American Community Survey.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest New Mexico counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

Download the newest population data for New Mexico counties

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Rank County Population
1 Bernalillo County 672,508
2 Doña Ana County 223,337
3 Santa Fe County 155,664
4 Sandoval County 153,501
5 San Juan County 120,418
6 Valencia County 78,080
7 Lea County 72,452
8 McKinley County 69,830
9 Otero County 68,823
10 Chaves County 63,894
11 Eddy County 60,400
12 Curry County 47,532
13 Rio Arriba County 40,048
14 Taos County 34,580
15 Grant County 27,686
16 San Miguel County 26,953
17 Cibola County 26,950
18 Luna County 25,749
19 Lincoln County 20,411
20 Los Alamos County 19,187
21 Roosevelt County 18,934
22 Socorro County 16,115
23 Torrance County 15,454
24 Colfax County 12,246
25 Sierra County 11,436
26 Quay County 8,546
27 Guadalupe County 4,310
28 Mora County 4,169
29 Hidalgo County 4,003
30 Union County 3,980
31 Catron County 3,827
32 De Baca County 1,693
33 Harding County 628

United States Census Bureau. B01001 SEX BY AGE, 2021 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 8 December 2022. http://www.census.gov/.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2022. U.S. Census Bureau, Population Division. Web. May 2023. http://www.census.gov/.

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