David C. Crowley is an American politician and the 7th County Executive of Milwaukee County, Wisconsin. He is the first African American to serve as the county's top official, and, at age 33, also the youngest. He previously represented Milwaukee as a member of the Wisconsin State Assembly, serving from January 2017 until June 2020.

Milwaukee County is located in the U.S. state of Wisconsin. At the 2020 census, the population was 939,489, down from 947,735 in 2010. It is both the most populous and most densely populated county in Wisconsin, and the 45th most populous county nationwide; Milwaukee, its eponymous county seat, is also the most populous city in the state. The county was created in 1834 as part of Michigan Territory and organized the following year.