Wanderlust World Wanderlust World According to the 2020 U.S. Census, the city of Santa Fe, New Mexico, has a population density of 1,737 people per square mile (671 per square kilometer). This reflects its status as a compact, historic state capital nestled in the Sangre de Cristo foothills.
With a population of approximately 87,500 within a land area of 50.4 square miles, Santa Fe is denser than many Southwestern cities but retains a low-rise, adobe-character urban form shaped by strict building codes and historic preservation.