Ypsilanti (/ˌɪpsɪˈlænti/), commonly shortened to Ypsi, is a city in Washtenaw County in the U.S. state of Michigan. As of the 2020 census, the city's population was 20,648. The city is bounded to the north by Superior Township and on the west, south, and east by Ypsilanti Township. Ypsilanti is the historic site of Michigan State Normal School, now Eastern Michigan University, the fourth normal school established in the United States, and the historical campus of Cleary Business College, now Cleary University. It is also the location of the first Domino's Pizza.