The County is inhabited by Nuer Section of Gaat, Jaak (Jikany) and Koma tribe.
It has the following administrative Payams: Udier, Dajo, Pacime, Jaak, Chotbora, Pamac, Jongjith, Wetber, Malual, Gueng, Warweng, Jangok, Guelguk, Belwang and Mathiang Administrative center respectively.
In addition, it has the largest and the longest swamp in South Sudan which extended from Kor-Machar mouth (Bank of Sobat river) to Kor Adar in Meluth county.
Longecchuk County has huge mineral deposit in areas such as Pamac, Dajoh, Mayethe and Pacime respectively.
Politically, Longechuk County was governed by the following commissioners according to the order of the time and sequence :