. . . "San Manuel"@en . "P473" . "P281" . "Mayor"@en . "1.1277e+08"^^ . "30407"^^ . . "+8" . . "San Manuel (formerly Callang) is a fourth class municipality in the province of Isabela, Philippines. According to the 2010 census, it has a population of 30,407 people.The major industry in San Manuel is farming."@en .