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 2026 population of 9,437. Seaford is currently growing at a rate of 2.64% annually and its population has increased by 18.23% since the most recent census, which recorded a population of 7,982 in 2020.

The median household income in Seaford is $54,016 with a poverty rate of 18.76%. The median age in Seaford is 41.1 years: 40.4 years for males, and 41.8 years for females. For every 100 females there are 82.7 males.

9.4K
Total Population
1,849
Density (mi²)
243 2.64%
Growth

Seaford Population

Seaford Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20269,4372432.64%
20259,1942422.7%
20248,9522142.45%
20238,7382272.67%
20228,5112723.3%
20218,2393033.82%
20207,982-64-0.8%
20198,0461571.99%
20187,8891612.08%
20177,7281522.01%
20167,5761441.94%
20157,4321301.78%
20147,3021231.71%
20137,179971.37%
20127,082801.14%
20117,002861.24%
20106,916-12-0.17%
20006,6991,01017.75%
19905,6894338.24%
19805,256-281-5.07%
19705,5371,10724.99%
19604,4301,34343.51%
19503,08728310.09%
19402,80400%

Median Age

Overall: 41.1 years
Female: 41.8 years
Male: 40.4 years

Seaford Adults

There are 6,515 adults, (1,578 of whom are seniors) in Seaford.

Sex Ratio

Female: 4,643 (54.7%)
Male: 3,842 (45.3%)

Demographics

The racial composition of Seaford includes 49.9% White, 23.65% Black or African American, 8.83% other race, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,23449.9%
Black or African American2,00723.65%
Two or more races1,38916.37%
Other race7498.83%
Asian1031.21%
Native American30.04%
Race
Population ↓
Percentage (of total)
Other race7228.51%
Two or more races1491.76%
Black or African American1101.3%
White800.94%
Race
Population ↓
Percentage (of total)
White4,15448.96%
Black or African American1,89722.36%
Two or more races1,24014.61%
Asian1031.21%
Other race270.32%
Native American30.04%

Seaford Marital Status

Economics and Income Statistics

Seaford 's average per capita income is $38,039. Household income levels show a median of $54,016. The poverty rate stands at 18.76%.

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$80,188-
Families$62,484$80,915
Households$54,016$71,635
Non Families$31,104$38,922

$38,039

Average Income

$54,016

Median Household Income

18.76%

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)