Population Demographics
As of 2024 the population of Wilmington, DE is 72,931. The population is expected to shrink to 72,643 by 2029 - a growth rate of -0.08%.
The median age of Wilmington, DE residents is 37.
The diversity index of Wilmington, DE is 69.3, 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.