This is a dot distribution map of US Census blocks with distance to closest pediatric surgeon demonstrated by color and population density demonstrated by size.

The map was created by Dustin Cable at University of Virginia's Weldon Cooper Center for Public Service. Wired Magazine called it "the most comprehensive representation of racial distribution in ...

A method of producing dot distribution maps automatically from a database file using widely available computer software and public domain mapping software is described. Two sample maps are provided.

Explore the racial demographics on dot maps of America's five most populous cities above. Find your community on the full Racial Dot Map.