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 2026 population of 74,343. It is also the county seat of New Castle County. Wilmington is currently growing at a rate of 0.79% annually and its population has increased by 4.94% since the most recent census, which recorded a population of 70,842 in 2020.

The median household income in Wilmington is $58,671 with a poverty rate of 21.36%. The median age in Wilmington is 37 years: 35.5 years for males, and 38.3 years for females. For every 100 females there are 88.8 males.

74.3K
Total Population
6,824
Density (mi²)
584 0.79%
Growth

Wilmington Population

Wilmington Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202674,3435840.79%
202573,7595830.8%
202473,1761,0501.46%
202372,1263990.56%
202271,7271,0151.44%
202170,712-130-0.18%
202070,842-47-0.07%
201970,372-201-0.28%
201870,573-214-0.3%
201770,787-260-0.37%
201671,047-205-0.29%
201571,252-59-0.08%
201471,31190.01%
201371,3021640.23%
201271,1381880.26%
201170,9501160.16%
201070,834-17-0.02%
200072,6641,1351.59%
199071,5291,3341.9%
198070,195-10,191-12.68%
197080,386-15,441-16.11%
196095,827-14,529-13.17%
1950110,356-2,148-1.91%
1940112,5045,9075.54%
1930106,597-3,571-3.24%
1920110,16822,75726.03%
191087,41110,90314.25%
190076,50815,07724.54%
189061,43118,95344.62%
188042,47811,63737.73%
187030,8419,58345.08%
186021,2587,27952.07%
185013,9795,61267.07%
18408,36700%

Median Age

Overall: 37 years
Female: 38.3 years
Male: 35.5 years

Wilmington Adults

There are 56,669 adults, (11,083 of whom are seniors) in Wilmington.

Sex Ratio

Female: 37,989 (53%)
Male: 33,738 (47%)

Demographics

The racial composition of Wilmington includes 52.23% Black or African American, 30.78% White, 7.4% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American37,46552.23%
White22,07930.78%
Two or more races5,4497.6%
Other race5,3117.4%
Asian1,1961.67%
Native American2150.3%
Native Hawaiian or Pacific Islander120.02%
Race
Population ↓
Percentage (of total)
Other race4,7476.62%
Two or more races2,1553%
White1,0391.45%
Black or African American4190.58%
Native American1530.21%
Asian190.03%
Race
Population ↓
Percentage (of total)
Black or African American37,04651.65%
White21,04029.33%
Two or more races3,2944.59%
Asian1,1771.64%
Other race5640.79%
Native American620.09%
Native Hawaiian or Pacific Islander120.02%

Wilmington Marital Status

Economics and Income Statistics

Wilmington 's average per capita income is $47,985. Household income levels show a median of $58,671. The poverty rate stands at 21.36%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$121,305-
Families$78,800$113,592
Households$58,671$88,930
Non Families$44,128$63,389

$47,985

Average Income

$58,671

Median Household Income

21.36%

Poverty Rate

Nearby Cities

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)