New Mexico Counties

New Mexico has 33 counties. The largest is Bernalillo County (674,692 people) and the smallest is Harding County (671). Median home values run from $96K in Harding County to $584K in Los Alamos County (Zillow ZHVI 2024). Effective property tax rates range from 0.30% in Harding County to 1.91% in McKinley County (Tax Foundation 2023). Median household income is highest in Los Alamos County ($136K) and lowest in De Baca County ($35K) (Census ACS 2022). Pick a county below for its full profile, or open the county map to filter by your own ranges.