Santa Terezinha is a city in the state of Pernambuco, Brazil. The population in 2020, according with IBGE was 11,865 inhabitants and …Santa Terezinha is a city in the state of Pernambuco, Brazil. The population in 2020, according with IBGE was 11,865 inhabitants and the total area is 200.32 km². The main economic activities in Santa Terezinha are based in agribusiness, especially creation of cattle, sheep, pigss, goats, chickens; and plantations of beans, corn and manioc.