Nyamira County became a county after the new constitution of Kenya was Promulgated. It is located at the border of Homabay county which is at the North side of the Kisii County. Nyamira County was in the Nyanza Province before becoming a county.
The county has a population of 605,576 people, in the 2019 census report
A list of 5 subcounties in Nyamira County