A reference map shows district boundaries. A reference map shows names, boundaries and other unique identifiers, including major cultural and physical features and the relationships among those features.Continue Reading
The United States Census Bureau produces several different reference maps with the information that it collects in the census, including congressional districts, state legislative districts, metropolitan areas and urban areas. Another reference map shows the distribution of American Indians and Alaskan Natives in the United States.
The United States Census Bureau also produces reference maps that show information about public use microdata areas, which are geographic units with at least 100,000 people that do not overlap and are contained within a single state.Learn more about Maps & Cartography