Counties in Kenya: full list and codesThere are 47 counties in Kenya, each with a unique government, capital, code, and geographical size. 005: LamuGovernor: Issa TimamyIssa Timamy Former province: CoastCoast Area in square kilometres: 6,497.7Lamu occupies an area of 6,497.7 square kilometres. 007: GarissaGovernor: Nathif JamaNathif Jama Former province: North EasternNorth Eastern Area in square kilometres: 45,720.2Garissa has an area of 45,720.2 square kilometres. 028: Elgeyo MarakwetGovernor: Wisley RotichWisley Rotich Former province: Rift ValleyRift Valley Area in square kilometres: 3,049.7Elgeyo Marakwet lies in the former Rift Valley province. 031: LaikipiaGovernor: Joshua IrunguJoshua Irungu Former province: Rift ValleyRift Valley Area in square kilometres: 8,696.1Laikipia lies within the former Rift Valley province.