66.5 million people
These 107 counties hold the near-in suburbs of most major cities and they have come to take on many of those big city characteristics. They are densely populated, 95% of the people in Urban Suburbs live in places the Census labels as urban, and diverse. The population of these counties is about 70% white, 14% African American and 17% Hispanic. The Urban Suburbs are also the wealthiest of all the types in the ACP with an annual median household income of about $66,500. President Barack Obama won these counties by more than 16 percentage points in 2012.