In 2000, 80% of the United States population lived in metropolitan areas.
Social and environmental inequality persists and contributes to ongoing
racial and economic health disparities.
In the course of research, a great deal of data have been developed based
on Census and other data sources. This data has been generated for all
US metropolitan areas established by the federal OMB in 1998.
For data on racial segregation, the Mumford Institute of SUNY Albany
has excellent resources. Their link is:
Segregation Data - Mumford