Bilac is a municipality in the state of São Paulo in Brazil. The population is 8,117 (2020 est.) in an area of 158 km². The elevation is 431 m.
Bilac's old town and the district of the city arose from Penápolis piece of land belonged to Brazil Plantation Trade Union and today is a small city in São Paulo State, which is located in the northwest of the state. In 1917 the blend of land attracted many families who settled in the town, which received the designation of Stream of the Colony (Córrego da Colônia), by engineers of the time. The company promoted Brazil Plantation Trade Union, in 1927, blending of their land, attracting several settlers, among them, Fernando Rodrigues, Francisco Lopes Rodrigues, Jose Goncalves and Hicoiti Yoshiy that with their families, have settled in the region, calling it "stream of the colony (Córrego da Colônia)". Later, the Vila Conceição Company, consisting of Osvaldo Martins, Sakae Sato, Shoe Anzai and Toshio Yoshiy, bought land and then proceeded to blend the earth, then when the first house was built of timber belonging to Mr John Nery, followed by several other buildings and attracting more people moving the economy and bringing the progress for the region.