The archive houses over 1,000 books and 200,000 documents. Noted parts of its collection are documents dating to the formation of Feira de Santana, deeds from the late 19th century, and plans for architectural projects of public buildings from 1916 to 2002. The archive holds documents related to the author Georgina Erismann, the historian Monsignor Renato de Andrade Galvão (1918-1995), and Maria Quitéria (1792-1853), a Brazilian independence figure. Of special note are detailed records of the purchase and sale of enslaved Africans in the municipality.