The Malay language is the main language of communication. However due to the area’s multi-racial population, Javanese, Mandarin and Tamil are still being widely used.
Aborigines in both districts totaled up to 7,385 (3,821 in Klang and 3,564 in Kuala Langat). Two main tribes in Kuala Langat are the Mahmeri tribe and Temuan tribe. In Klang, only Mahmeri tribe is found and they mainly inhibit the Pulau Indah, Bagan Hailam and Pulau Ketam. Most of the tribes live on the coastal area and earn their living as traditional fishermen, while those in the mainland are more involved in the planting activities such as rubber and oil palm cultivation.