A city of Washtenaw county, Michigan, U.S.A., on the Huron river, 30 m. W. by S. of Detroit. Pop. (1900) 7378; (1904) 7587; (1910) 6230. It is served by the Michigan Central and the Lake Shore & Michigan Southern railways, and is the seat of the Michigan State Normal College (1849). There are various manufactures. Ypsilanti was laid out and named in honour of Demetrius Ypsilanti, the Greek patriot, in 1825; it was incorporated as a village in 1832, and chartered as a city in 1858.