Detroit is the most populous city in the U.S. state of Michigan. It is situated on the bank of the Detroit River across from the Canadian city of Windsor, Ontario. It is the 26th-most populous city in the United States and the largest U.S. city on the Canada–United States border, with a population of 639,111 at the 2020 census. The Metro Detroit area, at over 4.4 million people, is the 14th-largest metropolitan area in the nation and second-largest in the Midwest. The county seat of Wayne County, Detroit is a significant cultural center known for its contributions to music, art, architecture and design, in addition to its historical automotive and industrial background.