Genesee County, Michigan
Genesee County ( JEN-ə-see) 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 (birthplace of General Motors). Genesee County consists of 33 cities, townships, and villages. It is considered to be a part of Mid-Michigan.
The county was named after Genesee County, New York, which in turn comes from the Seneca word Gen-nis'-hee-yo, meaning "Beautiful Valley". Genesee County comprises the Flint, MI Metropolitan statistical area. A major attraction for visitors is Crossroads Village, a living-history village north of Flint.
Genesee County is noted for having had the fossil of an ancient whale known as Balaenoptera|lacepede unearthed in Thetford Township during quarry work and estimated at 11,000 years old.