Seaford demographics profile

StatisticSeafordDelawareNational
Population7,417934,695318,558,162
Population density (sq mi)1,41736891
Median age38.939.637.7
Male/Female ratio0.8:10.9:11.0:1
Married (15yrs & older)53%54%55%
Families w/ Kids under 1847%39%43%
Speak English85%87%79%
Speak Spanish9%7%13%
Seaford, DE has a population of 7,417 and is the 4,962nd largest city in the United States. The population density is 1,417 per sq mi which is 285% higher than the Delaware average and 1464% higher than the national average. The median age in Seaford is 39 which is approximately 2% lower than the Delaware average of 40. In Seaford, 53% of the population over 15 years of age are married, 85% speak English and 9% speak Spanish. 50% of Seaford residents were born in Delaware, 39% were born out of state, 1% were born outside of the United States and 10% were foreign born.
For Sale
For Rent

Find real estate listings

Find rental listings

Did you know?

  • The population density in Seaford is 285% higher than Delaware.
  • The median age in Seaford is 2% lower than Delaware.
  • In Seaford 61.49% of the population is White.
  • In Seaford 34.58% of the population is Black or African American.
  • In Seaford 0.44% of the population is Asian.

Compare Seaford, DE Demographics To Other Cities

Seaford population breakdown by race

RaceSeafordDelawareNational
White61.49%69.22%73.35%
Black or African American34.58%21.72%12.63%
Asian0.44%3.68%5.22%
American Indian0.00%0.37%0.82%
Native Hawaiian0.00%0.05%0.18%
Mixed race3.10%2.76%3.06%
Other race0.38%2.19%4.75%
In Seaford, 10.7% 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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Seaford age breakdown

Marital status

Age of children in married couples

Source: The Seaford, DE demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
Are you looking to buy or sell?
What style of home are you
What is your
$100K$250K$500K$750K$1M+
When are you looking to
ASAP1-3 mos.3-6 mos.6-9 mos.1 yr+
Connect with top real estate agents
By submitting this form, you consent to receive text messages, emails, and/or calls (may be recorded; and may be direct, autodialed or use pre-recorded/artificial voices even if on the Do Not Call list) from AreaVibes or our partner real estate professionals and their network of service providers, about your inquiry or the home purchase/rental process. Messaging and/or data rates may apply. Consent is not a requirement or condition to receive real estate services. You hereby further confirm that checking this box creates an electronic signature with the same effect as a handwritten signature.