population santa fe, nm
Santa Fe Population 2017. Santa Fe is the capital of New Mexico and the fourth-largest city in the state. Interestingly, Santa Fe is the oldest capital city in the country. Santa Fe has an estimated population of 70,000 with a population density of 1,927 people per square mile, or 744 per square kilometer. The larger Santa Fe Metropolitan Statistical Area has a population of 146,000, while the Albuquerque-Santa Fe-Las Vegas CSA has a population of 1.15 million.