Thika District

Thika District is a former administrative district in the Central Province of Kenya. Its capital town was Thika. The district was adjacent to the northeastern border of Nairobi. The district had a population of 645.713.

In 2010, the district was eliminated and absorbed into Kiambu County.

The district was predominantly rural, but its urban population was soaring as Nairobi is growing rapidly. Kikuyu were the dominant tribe in the district.

The district had four constituencies:
 * Gatanga Constituency (consisted of Gatanga and Kakuzi divisions)
 * Gatundu South Constituency
 * Gatundu North Constituency
 * Juja Constituency (consisted Ruiru, Juja & Thika Town)