Seaford Flag

Seaford

County:
Sussex County
County Seat:
No
Area (mi²):
5.104
State:
Delaware

Seaford is a city located in Sussex County, Delaware. Seaford has a 2025 population of 9,231. Seaford is currently growing at a rate of 2.76% annually and its population has increased by 15.52% since the most recent census, which recorded a population of 7,991 in 2020.

The average household income in Seaford is $66,733 with a poverty rate of 18.16%. The median age in Seaford is 41.3 years: 40.4 years for males, and 42.1 years for females.

9.2K
Total Population
1,808
Density (mi²)
248 2.76%
Growth

Seaford Population

Seaford Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Seaford includes 54.19% White, 26.18% Black or African American, 3.79% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White4,47354.19%
Black or African American2,16126.18%
Two or more races1,12713.65%
Other race3133.79%
Asian1782.16%
Native American30.04%
Native Hawaiian or Pacific Islander00%

Seaford Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seaford's average per capita income is $41,898. Household income levels show a median of $51,120. The poverty rate stands at 18.16%.

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$72,380-
Families$59,663$77,767
Households$51,120$66,733
Non Families$30,000$37,542

$41,898

Average Income

$51,120

Median Household Income

18.16%

Poverty Rate

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)