Milwaukee is the most populous city in the U.S. state of Wisconsin. It serves as the county seat of Milwaukee County and is situated on the western shore of Lake Michigan.
According to the 2020 census, the city had a population of 577,222, ranking it as the 31st-most populous city in the United States and the fifth-most populous city in the Midwest. The surrounding Milwaukee metropolitan area is home to over 1.57 million residents, making it the 40th-largest metropolitan area in the nation.