Roseville is a city in Macomb County in the U.S. state of Michigan. A northern suburb of Detroit, Roseville is located roughly 13 miles north…Roseville is a city in Macomb County in the U.S. state of Michigan. A northern suburb of Detroit, Roseville is located roughly 13 miles northeast of downtown Detroit. As of the 2020 census, the city had a population of 47,710.