Missouri's 1st congressional district is in the eastern portion of the state. It includes all of St. Louis City and much of northern St. Louis County, including the cities of Maryland Heights, University City, Ferguson and Florissant. The district is easily the most Democratic in Missouri, with a Cook Partisan Voting Index of D+29; the next most Democratic district in the state, the Kansas City-based 5th, has a PVI of D+7. Roughly half of the 1st district's population is African American.