Alumínio (Portuguese meaning aluminum) is a Brazilian municipality of the state of São Paulo. The population in 2003 is 16,019 and the area is 83.7 km². Its latitude is 23.5331/23°32'6" S and the longitude is 47.5625/47°15'43" W The elevation is 790 m. Alumínio is located east of Sorocaba and is also a suburban area. The main employer in Alumínio is Companhia Brasileira de Aluminio.