According to the Fifth Population and Housing Census of Sudan, conducted in April 2008, Mayen boma had a population of 3,810 people, composed of 1,951 male and 1859 female residents,In 2008, at the time of the census, Mayen was located in Bor South County. The data collected during the Fifth Population and Housing Census of Sudan were to be the primary source of information for decisions about the number and demarcation of electoral constituencies and administrative boundaries in what was then southern Sudan. South Sudanese officials rejected census results for southern Sudan. See . Also, see Demographics of South Sudan. who support themselves largely through farming and fishing.
