Mafa is a local government area of Borno State, Nigeria. It has its headquarters in the town of Mafa. It has a total population of 103,51…Mafa is a local government area of Borno State, Nigeria. It has its headquarters in the town of Mafa. It has a total population of 103,518 at the 2006 census. Districts & villages under Mafa LGA. The weather throughouthe year fluctuates greatly, with the dry season being oppressively hot and humid and the wet season being hot and partially cloudy.