José María Morelos is the municipal seat and largest city in José María Morelos Municipality in the Mexican state of Quintana Roo. According to the 2010 census, the city's population was 11,750 persons. José María Morelos was established in the 19th century with the purpose of exporting wood and chicle. It was originally called Kilómetro 50, since it was 50 kilometres from Peto.