Downtown Saint Paul is the central business district of Saint Paul, Minnesota, United States. Its boundaries are the Mississippi River to the south, University Avenue to the north, US 52 to the east, and Kellogg Boulevard to the west. It is bounded by the Dayton's Bluff, Summit-University, West Seventh, Frogtown, West Side, and Payne-Phalen n…Downtown Saint Paul is the central business district of Saint Paul, Minnesota, United States. Its boundaries are the Mississippi River to the south, University Avenue to the north, US 52 to the east, and Kellogg Boulevard to the west. It is bounded by the Dayton's Bluff, Summit-University, West Seventh, Frogtown, West Side, and Payne-Phalen neighborhoods. The West Side neighborhood is on the other side of the river, and can be accessed via the Robert Street Bridge or the Wabasha Street Bridge. Interstate 35E and Interstate 94 run through the north side of the neighborhood, providing a separation between the Minnesota State Capitol and other state government buildings with the rest of downtown.