Plymouth is a city in Wayne County of the U.S. state of Michigan. The population was 9,022 at the 2000 census. The City of Plymouth is an enclave completely surrounded by Plymouth Charter Township, Michigan.
According to the United States Census Bureau, the city has a total area of 2.2 square miles (5.8 km²), of which, 2.2 square miles (5.8 km²) of it is land and 0.45% is water. Located 15.6 miles (25.1 km) east of Ann Arbor and 26.3 miles (42.3 km) west of Detroit. Just south of M-14, west of I-275.
As of the census of 2000, there were 9,022 people, 4,322 households, and 2,277 families residing in the city. The population density was 4,048.6 per square mile (1,562.1/km²). There were 4,498 housing units at an average density of 2,018.4 per square mile (778.8/km²). The racial makeup of the city was 96.42% White, 0.57% African American, 0.35% Native American, 1.05% Asian, 0.07% Pacific Islander, 0.30% from other races, and 1.24% from two or more races. Hispanic or Latino of any race were 1.31% of the population. 20.4% were of German, 13.2% Irish, 12.4% English, 10.7% Polish and 7.9% Italian ancestry according to Census 2000.