Itaí is a municipality in the state of São Paulo in Brazil. The population is 27,382 in an area of 1083 km². The elevation is 614 m. This place na…Itaí is a municipality in the state of São Paulo in Brazil. The population is 27,382 in an area of 1083 km². The elevation is 614 m. This place name comes from the Tupi language, "Itaí" means river stone. The Tropic of Capricorn crosses the city of Itaí.