Belleville is a city in Wayne County in the U.S. state of Michigan. A western suburb of Detroit, Belleville is located roughly 29 miles southwest of downtown Detroit, and 18 miles southeast of Ann Arbor, and is completely surrounded by Van Buren Township. As of the 2010 census, the city had a population of 3,991. Belleville Lake is the city's principal geographic feature, and the city is also home to the National Strawberry Festival.