Osasco (Portuguese pronunciation: [oˈzasku]) is a municipality in São Paulo State, Brazil, is located in the Greater São Paulo and ranking 5th in population among São Paulo municipalities. The current mayor is Antonio Jorge Pereira Lapas (PT). The population in 2008 was 713,066, the density is 10,970/km² and the total area is 65 km². It is among the world's more dense cities, similar in density to Tokyo and New York City. It's considered the major urban centre of the Western portion of the Greater São Paulo. It used to be a district of São Paulo City until February 19, 1962, when Osasco became a municipality of its own.