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Population per Square Mile in New Mexico, by County

Population per Square Mile for every county in New Mexico, ranked. The highest is Bernalillo County at 580.3 and the lowest is Harding County at 0.3.

New Mexico: 17.5 · United States: n/a · median county in New Mexico: 7.0

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#County Population per Square Mile
1Bernalillo County580.3
2Los Alamos County178.1
3Santa Fe County81.7
4Valencia County73.6
5Doña Ana County58.9
6Sandoval County41.4
7Curry County33.9
8San Juan County21.9
9Lea County16.8
10Taos County15.7
11Eddy County14.6
12McKinley County12.9
13Chaves County10.6
14Otero County10.4
15Luna County8.6
16Roosevelt County7.7
17Grant County7.0
18Rio Arriba County6.8
19Cibola County5.9
20San Miguel County5.7
21Torrance County4.6
22Lincoln County4.2
23Colfax County3.3
24Quay County3.0
25Sierra County2.8
26Socorro County2.4
27Mora County2.2
28Guadalupe County1.4
29Hidalgo County1.2
30Union County1.0
31De Baca County0.7
32Catron County0.5
33Harding County0.3

People divided by land area. Water is excluded, so lake and coastal counties are not unfairly diluted.

Source: ACS 2020-2024 5-Year Estimates, 2024.

New Mexico ranks 47th of 52 states for population per square mile.

Population per Square Mile in other states

Other statistics for New Mexico by county