Guapiaçu is a municipality in the state of São Paulo, Brazil, with a population, measured in 2020 by the IBGE, of 21,775 and an area of . Is located in the north/northwest of the state, from São José do Rio Preto. The city name comes from the Tupi language, and means "Big spring (of a river)". History The settlement of the region began at the end of the 19th century. At the beginning of the 20th century, the city was a village named Ribeirão Claro. On 28 November 1927 the village was elevated to a district. The name changed to its current form in 1945. The city was established as a municipality on 30 November 1953, when it was separated from Rio Preto. Demographics Indicators Population: 17,869 (IBGE/2010) Area: Population density: 54.8/km² (2,451.5/sq mi) Urbanization: 88.4% (2010) Birth rate: 11.59/1,000 inhabitants (2009) Infant mortality: 9.9/1,000 births (2009) Literacy rate: 90.26 (2000) HDI: 0.817 (UNDP/2000) All indicators are from SEADE and IBGE. Economy Manufacturing is the economic basis of Guapiaçu, producing 53.2% of the city's GDP. The tertiary sector provides 39.4% of GDP, and the primary sector 7.3%. Transportation SP-425 "Rodovia Assis Chateaubriand", to São José do Rio Preto Estrada Vicinal (Vicinal road) to Cedral References Municipalities in São Paulo (state)