Kiambu County is a
county in the former
Central Province of
Kenya. Its capital is
Kiambu and its largest town is
Thika. The county is adjacent to the northern border of
Nairobi County and has a population of 1,623,282. Its governor is William Kabogo. The county is 40% rural and 60% urban owing to Nairobi's consistent growth Northwards.
Kikuyu are the dominant tribe in the county.