Map 5 - The title is “Mid-Atlantic Population Is Migrating to Outer Suburbs.”

A map of New York, Pennsylvania, Delaware, New Jersey, and Maryland showing the percentage growth in population by counties. The counties in New Jersey, Delaware, eastern Pennsylvania, and the eastern half of Maryland grew by 13.2 percent to 81.7 percent between 1990 and 2003. Counties in upstate and western New York and western Pennsylvania lost population.

Source: U.S. Census Bureau.