 The city reported a 2010 census population of 260,759.The fourth-largest city in the state (behind León, Irapuato, and Celaya), it is also the largest of four places called "Salamanca" in Mexico.Salamanca's cuisine is very diverse because, thanks to the oil refinery, it is a city that has people from all over the country, from cities such as Veracruz, Oaxaca and Mexico City.