Population Demographics
As of 2026 the population of Delaware Valley is 6,533,554. The population is expected to grow to 6,603,978 by 2031 - a growth rate of 0.21%.
The median age of Delaware Valley residents is 40.
The diversity index of Delaware Valley is 68.6, meaning that there is a 69% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
