Genesee County is a county in the U.S. state of Michigan. As of the 2020 Census, its population was 406,211, and was estimated to be 401,093 in 2025, making it the fifth-most populous county in Michigan, and the most populous in Mid-Michigan. The county seat and largest city is Flint. Genesee County consists of 33 cities, townships, and villages. It is considered to be a part of Mid-Michigan.
- Country
- United States
- Inception
- 1835
- Website
- http://www.gc4me.com
