The Tharaka people are found in Tharaka Nithi County where they occupy the low plains between the slopes of Mount Kenya in the west and upper Tana River in the east. In accordance with the 2009 Kenya Population and Housing census, they are approximately 175,905 people.
They are farmers who grow cereal crops, cotton and sunflowers as well as keeping cows, goats and sheep. BTL began working with the Tharaka in 1988 and on 26th August 2001, the Tharaka New Testament was dedicated. Translation of the Old Testament was started in 2005 and it is continuing well.