Santa Fe is the capital of the U.S. state of New Mexico. It is the fourth-largest city in the state and is the seat of Santa Fe County. Santa Fe had a population of 67,947 in the 2010 census. It is the principal city of the Santa Fe, New Mexico Metropolitan Statistical Area which encompasses all of Santa Fe County and is part of the larger Santa Fe-Espanola Combined Statistical Area. The city’s full name when founded was "La Villa Real de la Santa Fe de San Francisco de Asis".According to the United States Census Bureau, the city has a total area of 37.4 square miles (96.9 Square Kilometer), of which, 37.3 square miles (96.7 Square Kilometer) of it is land and 0.1 square miles (0.2 Square Kilometer) of it (0.21%) is water.