Ervuailu is a village in Mangalore tehsil in district of Dakshina Kannada, Karnataka, India. As per the data provided by Census of India in 2011, total population of Ervuailu was 2,931 which includes 1,441 males and 1,490 females. Ervuailu covers 850.08 ha area. Pincode of Ervuailu is 574244.