Population density (sq mi)6,55750491
Median age35.339.637.7
Male/Female ratio0.9:10.9:11.0:1
Married (15yrs & older)32%54%55%
Families w/ Kids under 1846%39%43%
Speak English88%87%79%
Speak Spanish10%7%13%

Key findings

  • The population density in Wilmington is 1201% higher than Delaware
  • The median age in Wilmington is 11% lower than Delaware
  • In Wilmington 33.82% of the population is White
  • In Wilmington 57.67% of the population is Black
  • In Wilmington 1.43% of the population is Asian

Compare Wilmington, DE Demographics


      Wilmington population breakdown by race

      American Indian0.17%0.37%0.82%
      Native Hawaiian0.02%0.05%0.18%
      Mixed race2.37%2.76%3.06%
      Other race4.52%2.19%4.75%
      In Wilmington, 12.2% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Wilmington age breakdown

      Marital status

      Age of children in married couples

      Source: The Wilmington, DE demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).