Mairinque is a municipality near Sorocaba, in the state of São Paulo in Brazil. It is part of the Metropolitan Region of Sorocaba. The population is 46,015 (2015 est.) in an area of 210.15 km². It is at an elevation of 850 m (2,955 ft).The city of Mairinque is situated in the central part of the state of São Paulo, 70 km from the state capital, to which it is connected by two major highways, the Rodovia Raposo Tavares and Rodovia Castelo Branco.