Seaford ZIP Codes — Sussex County, DE

There is one unique ZIP code in Seaford, Delaware and it is 19973. Area code: 302.

ZIP codes

84.00

sq mi land

2.01

sq mi water

302

area code

Seaford, DE ZIP code map

About Seaford, DE

Seaford is a charming city located in Sussex County, Delaware, known for its rich history and vibrant community. This small city boasts a laid-back atmosphere that attracts both visitors and residents alike. With a warm community spirit and various local amenities, Seaford offers a welcoming environment for all.

Location & geography

Seaford is situated in the southern part of Delaware, approximately 30 miles northwest of the coastal city of Rehoboth Beach. The city is surrounded by beautiful landscapes, with a total land area of 84.00 square miles and a water area of 2.01 square miles. Its proximity to the Nanticoke River adds to the scenic charm of the area, making it an attractive destination for outdoor enthusiasts.

Community & economy

The character of Seaford is shaped by its tight-knit community and friendly residents, providing a small-town feel in a growing region. The local economy is diverse, with industries such as manufacturing, agriculture, and retail contributing to the city's prosperity. Daily life in Seaford typically revolves around community events, local dining, and outdoor activities, highlighting the city's emphasis on both leisure and work.

Transportation

Seaford is accessible via major highways, including U.S. Route 13, which runs directly through the city, connecting it to other significant areas in Delaware. The nearest airport for commercial flights is the Salisbury-Ocean City Wicomico Regional Airport, located about 20 miles to the southwest. Additionally, public transportation options are limited but available, making it easy for residents to navigate local routes.

History

Seaford was founded in the early 18th century and has a rich historical background, originally serving as a shipping and trading center due to its location along the Nanticoke River. Key industries such as poultry processing and manufacturing have historically driven the local economy, shaping the growth of the city. Notable events include the establishment of the first large-scale chicken processing plant in the 1920s, which greatly influenced the region's economic landscape.

Did you know?

One surprising fact about Seaford is its historic connection to the Delmarva Peninsula's poultry industry, where it played a pivotal role in the development of chicken farming in the area. Additionally, the city is home to the Seaford Museum, which showcases the local history and heritage of the region.

ZIP codes for Seaford, DE (1)

ZIP code	City	County	Map
19973	Seaford	Sussex	View map

Demographics & statistics

26,070

Population

43.6

Median age

$61,849

Median household income

$32,295

Per capita income

$241,100

Median home value

$1,044

Median monthly rent

74.5%

Home ownership

16.8%

Poverty rate

8.1%

Unemployment

8,160

Housing units

18.6%

Bachelor's or higher

Age distribution

Male Female

796

Under 5

824

769

5–9

797

765

10–14

792

709

15–19

734

827

20–24

858

1,312

25–34

1,359

1,479

35–44

1,533

1,799

45–54

1,865

836

55–59

866

852

60–64

882

1,651

65–74

1,711

712

75–84

737

297

85+

308

← Male

Female →

Age summary

Group	Count	%
Under 18	5,559	21.3%
18 and over	20,511	78.7%
65 and over	5,416	20.8%
Median age	43.6 years

Race & ethnicity

White 61.3%

Black or African American 21.8%

Two or more races 8%

Hispanic or Latino 4.3%

Other race 3.2%

Asian 1.3%

Group	Count	%
White	16,703	61.3%
Black or African American	5,946	21.8%
Two or more races	2,185	8%
Hispanic or Latino	1,175	4.3%
Other race	874	3.2%
Asian	351	1.3%

Household income

Under $10k 6.1%

$10k–$15k 4.6%

$15k–$25k 7.9%

$25k–$35k 9.0%

$35k–$50k 13.7%

$50k–$75k 17.0%

$75k–$100k 11.5%

$100k–$150k 17.9%

$150k–$200k 6.7%

$200k+ 5.5%

Range	% of households
Under $10k	6.1%
$10k–$15k	4.6%
$15k–$25k	7.9%
$25k–$35k	9.0%
$35k–$50k	13.7%
$50k–$75k	17.0%
$75k–$100k	11.5%
$100k–$150k	17.9%
$150k–$200k	6.7%
$200k+	5.5%
Median income	$61,849

Housing

Home values

Under $50k 7.3%

$50k–$100k 4.0%

$100k–$150k 10.2%

$150k–$200k 13.5%

$200k–$300k 37.2%

$300k–$500k 21.6%

$500k–$1M 4.9%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$241,100
Median rent / month	$1,044
Owner occupied	74.5%
Renter occupied	25.5%
Vacant	6.4%
Single-family detached	69.9%
Large apartment buildings	2.4%
Mobile homes	12.9%
Median rooms	6.0
Avg household size (owned)	2.63

Year built

Era	%
2020 or later	0.5%
2010–2019	11.2%
2000–2009	18.1%
1990–1999	15.2%
1980–1989	14.5%
1970–1979	12.7%
1960–1969	11.4%
1950–1959	4.9%
1940–1949	3.8%
1939 or earlier	7.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	6.7%
2 bedrooms	22.1%
3 bedrooms	54.6%
4 bedrooms	13.6%
5+ bedrooms	2.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.5%
1 vehicle	29.8%
2 vehicles	33.6%
3 or more	30.1%

Heating fuel

Fuel type	%
Utility gas	13.4%
Electricity	58.9%
Propane / LP gas	12.1%
Fuel oil	12.5%
Wood	1.6%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	4,965	49.5%
Cohabiting couple	729	7.3%
Male householder, no spouse	1,478	14.7%
Female householder, no spouse	2,868	28.6%
Households with children under 18	3,131	31.2%
Households with seniors (65+)	3,896	38.8%
Average household size	2.57

Marital status

Status	Male	Female
Never married	34.6%	29.0%
Married	51.5%	46.8%
Separated	1.1%	1.7%
Widowed	2.2%	9.3%
Divorced	10.7%	13.3%

Education

Less than 9th grade 3.5%

Some HS, no diploma 9.9%

HS graduate 32.8%

Some college, no degree 25.2%

Associate's degree 10.0%

Bachelor's degree 12.0%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	86.6%
Bachelor's or higher	18.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	312	5.8%
Kindergarten	494	9.1%
Elementary school	2,223	41.0%
High school	1,268	23.4%
College / grad school	1,120	20.7%

Employment

Industry of employment

Education & healthcare 22.2%

Retail trade 14.6%

Manufacturing 12.2%

Transportation & utilities 8.8%

Professional & management 8.7%

Construction 7.5%

Arts, food & hospitality 6.1%

Other services 5.9%

Finance & real estate 4.5%

Public administration 4.3%

Agriculture & mining 3.1%

Wholesale trade 1.8%

Information 0.4%

Occupation

Category	%
Management, business & arts	31.6%
Service	20.3%
Sales & office	20.2%
Natural resources & construction	9.9%
Production & transportation	18.0%

Employment type

Type	%
Private sector	80.7%
Government	12.3%
Self-employed	6.7%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	79.0%
Carpool	11.4%
Public transit	0.2%
Walk	1.0%
Other means	1.4%
Avg commute (minutes)	29.2

Poverty

All people 16.8%

Under 18 years 20.7%

18 and over 15.7%

Married-couple families 7.5%

Female-led households 18.2%

Income support

Source	% of households
Social Security	39.2%
Retirement income	29.8%
Supplemental Security	6.7%
Cash public assistance	2.4%
Food stamps / SNAP	15.9%

Health indicators

Condition	%
High blood pressure	38.1%
High cholesterol	36.9%
Heart disease	7.8%
Stroke	3.8%
Asthma	10.1%
Arthritis	26.4%
Kidney disease	3.4%
Pulmonary disease	8.8%
Cancer	7.3%

Behavior / access	%
Binge drinking	13.0%
No physical activity	30.2%
Less than 7 hrs sleep	33.3%
Fair or poor health	17.0%
Poor mental health	14.2%
Poor physical health	11.6%
No health insurance	18.6%
Visited doctor (checkup)	77.9%
Visited dentist	52.3%
Cholesterol screening	89.7%
Teeth loss	17.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,681	8.2%

Disability	%
Any disability	13.4%
Under 18	4.8%
18–64 years	9.6%
65 and over	33.6%

Health insurance coverage

Type	%
Private insurance	61.8%
Public insurance	48.6%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	24,450	93.8%
Spanish	1,488	6.1%
Other Indo-European	747	3.1%
Asian & Pacific Islander	642	2.6%
Other languages	99	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	24,084	92.4%
Born in same state	23,814	91.3%
Born in different state	12,536	48.1%
Foreign born	270	1.0%
Naturalized citizen	1,986	7.6%
Not a US citizen	1,084	54.6%

Ancestry

Ancestry	Count	%
Italian	3,520	13.5%
French	3,337	12.8%
Arab	1,801	6.9%
English	340	1.3%

Ancestry	Count	%
Irish	110	0.4%
German	86	0.3%
Polish	80	0.3%
Norwegian	42	0.2%

Technology access

Metric	% of households
Computer access	38.5%
Internet access	93.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Seaford, DE have?

Seaford, DE has one ZIP code: 19973. Each ZIP code serves a distinct delivery area within the city and surrounding region.