Toluca [toˈluka], officially called Toluca de Lerdo [toˈluka ðe ˈlerðo], is the state capital of State of Mexico as well as the seat of the Municipality of Toluca. It is the center of a rapidly growing urban area, now the fifth largest in Mexico. It is located 63 kilometres (39 mi) west-southwest of Mexico City, about 40 minutes by car to the western edge of the city. According to the 2010 census, the city of Toluca has a population of 819,561. The city is the fifth largest in Mexico in population. The municipality of Toluca, along with thirteen other municipalities, make up the metropolitan population of 1,775,337 in Greater Toluca as of 2009, making it the fifth most populous metropolitan area in Mexico.