The name is derived from the swahilization of the British colonial occupation's "Carrier Corps", that used to be based in the area.

Today, Kariakoo is mainly known for its large market that spans several city blocks.

Concrete houses were built to accommodate the African population, and at that same time the market was established; yet, the advent of First World War delayed its actual opening.

[6] In 1916 the British conquered Dar es Salaam, and Kariakoo was used as a base for the Carrier Corps.In 1923 the market built by the Germans finally began to function.

Kariakoo hosts an extensive market which is a major contribution to Dar es Salaam's economy.

Kariakoo is served by the Kamata Train Station located on Msimbazi Street just outside of the ward.Kariakoo has good transport links due to the Dar es Salaam bus rapid transit service offered just outside of the ward.

[8] It is the busiest and the biggest market that contributes substantially to Dar es Salaam's food provision as well as a small-scale economy.