New Mexico Counties by Population

The most populated counties in New Mexico are Bernalillo County with 671,586, Doña Ana County at 225,210, Santa Fe County with 155,956, Sandoval County at 155,936, and San Juan County with 120,675. You can get the most current Census population data for all 33 New Mexico counties, sorted from the most populous counties in New Mexico to the least, according to the 2023 Population Estimates Program.

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!