São Caetano do Sul

São Caetano do Sul (or São Caetano) is a city in São Paulo state in Brazil. It is part of the Metropolitan Region of São Paulo.[2] The population is 158,024 (2015 est.) in an area of 15.33 km².[3] It is the city with the highest per capita income in Brazil (US$31,322.00 in 2010) and it also has the highest Human Development Index.