Nakuru County is a county in Kenya. It is County number 32 out of the 47 Kenyan Counties. Nakuru County is a host to Kenya's Forth City – Nakuru City. On 1 December 2021, President Uhuru Kenyatta awarded a City Charter status to Nakuru, ranking it with Nairobi, Mombasa, and Kisumu as the cities in Kenya. With a population of 2,162,202 (2019 census), it is the third most populous county in Kenya after Nairobi County and Kiambu County, in that order. With an area of 7,496.5 km2, it is Kenya's 19th largest county in size. Until 21 August 2010, it formed part of Rift Valley Province.