As of 2026 the population of Wilmington, DE is 73,362. The population is expected to grow to 74,582 by 2031 - a growth rate of 0.33%.
The median age of Wilmington, DE residents is 37.
The diversity index of Wilmington, DE is 69.6, meaning that there is a 70% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in Wilmington, DE is $94,756 and projected to be $108,837 in 2031. Per capita income is $42,100, projected to be $49,189 in 2031. 3.97% of households – 2,912 – have an income of $200,000 or higher. Average net worth is $774,302 and the average disposable income is $69,028.
There are 36,789 housing units in Wilmington, DE; 14,457 are owner-occupied, 17,936 are rented, and 4,396 are vacant. The average home value is $330,850, with 2,193 homes built in 2010 or later, and 15,180 built in 1939 or earlier.
There are 4,857 businesses in Wilmington, DE, employing 68,031 workers and pulling from a labor force of 34,822 age 16 and above. 260 workers commute into Wilmington, DE from outside the county or state. Key industries for the area include:
30,053 residents both live and work in/around Wilmington, DE. The average travel time is 23.5 minutes. 1.26% people have a commute of less than 5 minutes while 2.26% commute 90 minutes or more each way. Of commuters, 21,339 drive alone, 2,468 carpool, and 2,693 take public transportation. 2,632 use other modes of transport such as motorcycle, bicycle, walking, etc. 5,555 residents work from home.
15,521 members of the workforce hold a high school diploma or GED. 3,227 have associates degrees, 8,578 have bachelor’s degrees, and 8,505 hold a graduate or professional degree.
Source: ESRI, 2026-09-09
