Estância is a municipality located in the Brazilian state of Sergipe. Its population is 69,556. Estância covers 644.5 km², and has a populatio…Estância is a municipality located in the Brazilian state of Sergipe. Its population is 69,556. Estância covers 644.5 km², and has a population density of 110 inhabitants per square kilometer. It is located 66 km from the state capital of Sergipe, Aracaju. The city is the seat of the Roman Catholic Diocese of Estância.