Wilmington Flag

Wilmington

County Seat:
Yes
Area (mi²):
10.895
State:
Delaware

Wilmington is a city located in New Castle County, Delaware. Wilmington has a 2025 population of 72,233. It is also the county seat of New Castle CountyWilmington is currently growing at a rate of 0.39% annually and its population has increased by 1.97% since the most recent census, which recorded a population of 70,837 in 2020.

The average household income in Wilmington is $83,499 with a poverty rate of 23.21%.The median age in Wilmington is 37 years: 35.2 years for males, and 38.9 years for females.

72.2K
Total Population
6,630
Density (mi²)
279 0.39%
Growth

Wilmington Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)