Davenport is the largest city located along the Mississippi River in Scott County, Iowa, United States. Davenport is the county seat of and largest city in Scott County; it is also the largest of the Quad Cities, a metropolitan area with a population estimate of 382,630 and a CSA population of 474,226, making it the 90th largest CSA in the nation. Davenport was founded on May 14, 1836 by Antoine LeClaire and was named for his friend, George Davenport, a colonel during the Black Hawk War stationed at nearby Fort Armstrong. According to the 2010 census, the city had a population of 99,685 (making it Iowa's third-largest city).