Population Demographics
As of 2025 the population of Delaware Valley is 6,451,784. The population is expected to grow to 6,525,502 by 2030 - a growth rate of 0.23%.
The median age of Delaware Valley residents is 40.
The diversity index of Delaware Valley is 68.1, meaning that there is a 68% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.