The District, located in the Rift Valley Province, and had a population of 365,750.
[1] Its capital town was Narok.
Along with Kisii District, Narok District had been identified as having the highest level of practice of female genital mutilation in the country, despite the practice being outlawed in 2001.
[2] Narok was created prior to independence by the colonial government from the Maasai Region.
In 2013, Trans Mara was reconstituted to form Narok County.