Flint is a city in the U.S. state of Michigan an is located along the Flint River, 66 miles (106 km) northwest of Detroit. As of the 2000 census, the city had a population of 124,943, making it the fifth largest city in Michigan, while the 2006 Census Bureau estimate places the city's population at 117,068. It is the county seat of Genesee County which lies in the Flint/Tri-Cities region of Michigan. Genesee County is also the entirety of Flint's metropolitan area, the fourth largest metropolitan area in Michigan.