|44th District Demographic Dot Map|
Their latest creation is map which puts a dot for each person on a map colored by their race. I've zoomeded it in for the 44th District and thrown some rough boundaries over it for kicks.
It clearly highlights the differences in housing patterns in the 44th District.
If you want to play with the entire country or Northern Virginia, you can access it here.
Weldon-Cooper Center Racial Dot Map