Detroit is a place.
Detroit . The municipality of Detroit had a 2015 estimated population of 677,116 , making it the 21st-most populous city in the United States . Detroit 's diverse culture has had both local and international influence , particularly in music , with the city giving rise to the genres of Motown and techno , and playing an important role in the development of jazz , hip-hop , rock , and punk music . In 2015 , Detroit was named a `` City of Design '' by UNESCO , the first U.S. city to receive that designation .