L1 users: 266,000 (2014 census), increasing. Census based on tribal affiliation.
Kaberamaido, Amuria, Serere, and Soroti districts: Lake Kwania area; some in Kamuli, Buyende, Amolatar, Lira, Otuke, and Dokolo districts.
Latin script [Latn].
Ladefoged, Glick and Criper (1972) and Bender (1988 M. Bender) classify Kumam as Southern Luo; some linguists classify it in the Dinka group. Kumam oral tradition gives a Teso descent. Christian.