Delmar ZIP Codes — Sussex County, DE

There is one unique ZIP code in Delmar, Delaware and it is 19940. Area code: 302.

ZIP codes

41.31

sq mi land

0.00

sq mi water

302

area code

Delmar, DE ZIP code map

About Delmar, DE

Delmar is a charming town located in Delaware, specifically in Sussex County. Known for its friendly community atmosphere, Delmar is a place where southern hospitality shines. The town's vibrant local culture and proximity to various attractions make it a noteworthy spot in the First State.

Location & geography

Delmar is strategically situated near the Maryland border, exhibiting a blend of rural charm and suburban development. Nearby cities include Salisbury, Maryland, approximately 10 miles to the southwest, and Seaford, Delaware, around 12 miles to the south. The town encompasses a land area of 41.31 square miles and does not have any water area, showcasing its predominantly terrestrial environment.

Community & economy

The character of Delmar is defined by its tight-knit community and a mix of agricultural and small business industries. Daily life in Delmar centers around local events, schools, and family-oriented activities, reflecting its dedication to community values. Residents enjoy a peaceful, suburban lifestyle, with recreational opportunities that highlight the area's natural beauty.

Transportation

Transportation in Delmar is facilitated by U.S. Route 13, which runs north-south, making travel to larger cities accessible. The nearest named airport is the Salisbury-Ocean City Wicomico Regional Airport, located approximately 13 miles away, providing regional flights. Public transit options are limited, emphasizing the town's small-town character and reliance on personal vehicles.

History

Delmar was established in the late 19th century, initially serving as a stop along the railroad that linked the area with surrounding regions. Key industries included agriculture and lumber, driven by the town's location and natural resources. Throughout its history, Delmar has hosted various local events that foster community spirit, including fairs and seasonal celebrations.

Did you know?

A surprising fact about Delmar is that it straddles the state line between Delaware and Maryland, giving it a unique dual identity. This feature contributes to its charm, as residents may find themselves in two states within a short walk.

ZIP codes for Delmar, DE (1)

ZIP code	City	County	Map
19940	Delmar	Sussex	View map

Demographics & statistics

6,818

Population

43.3

Median age

$61,750

Median household income

$33,274

Per capita income

$219,800

Median home value

$967

Median monthly rent

79.5%

Home ownership

14.3%

Poverty rate

4.5%

Unemployment

2,105

Housing units

22.2%

Bachelor's or higher

Age distribution

Male Female

170

Under 5

174

371

5–9

381

193

10–14

197

117

15–19

119

196

20–24

201

389

25–34

398

309

35–44

316

489

45–54

502

362

55–59

372

175

60–64

179

340

65–74

349

216

75–84

221

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,603	23.5%
18 and over	5,215	76.5%
65 and over	1,208	17.7%
Median age	43.3 years

Race & ethnicity

White 66.3%

Black or African American 12%

Two or more races 11.9%

Hispanic or Latino 9.1%

Asian 0.4%

Other race 0.3%

Group	Count	%
White	4,968	66.3%
Black or African American	901	12%
Two or more races	896	11.9%
Hispanic or Latino	680	9.1%
Asian	28	0.4%
Other race	25	0.3%

Household income

Under $10k 2.4%

$10k–$15k 3.5%

$15k–$25k 6.7%

$25k–$35k 17.2%

$35k–$50k 11.2%

$50k–$75k 18.7%

$75k–$100k 10.3%

$100k–$150k 12.4%

$150k–$200k 12.5%

$200k+ 5.1%

Range	% of households
Under $10k	2.4%
$10k–$15k	3.5%
$15k–$25k	6.7%
$25k–$35k	17.2%
$35k–$50k	11.2%
$50k–$75k	18.7%
$75k–$100k	10.3%
$100k–$150k	12.4%
$150k–$200k	12.5%
$200k+	5.1%
Median income	$61,750

Housing

Home values

Under $50k 7.8%

$50k–$100k 5.6%

$100k–$150k 8.2%

$150k–$200k 17.3%

$200k–$300k 36.1%

$300k–$500k 21.1%

$500k–$1M 3.0%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$219,800
Median rent / month	$967
Owner occupied	79.5%
Renter occupied	20.5%
Vacant	11.3%
Single-family detached	69.0%
Large apartment buildings	0.6%
Mobile homes	20.8%
Median rooms	5.9
Avg household size (owned)	3.02

Year built

Era	%
2020 or later	1.7%
2010–2019	13.4%
2000–2009	16.3%
1990–1999	20.7%
1980–1989	5.9%
1970–1979	5.8%
1960–1969	11.5%
1950–1959	5.8%
1940–1949	4.5%
1939 or earlier	14.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	6.6%
2 bedrooms	20.4%
3 bedrooms	53.2%
4 bedrooms	15.4%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	3.9%
1 vehicle	30.0%
2 vehicles	36.0%
3 or more	30.1%

Heating fuel

Fuel type	%
Utility gas	15.8%
Electricity	62.0%
Propane / LP gas	11.2%
Fuel oil	9.2%
Wood	1.3%
Solar	0.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	951	41.7%
Cohabiting couple	214	9.4%
Male householder, no spouse	504	22.1%
Female householder, no spouse	613	26.9%
Households with children under 18	748	32.8%
Households with seniors (65+)	848	37.2%
Average household size	2.95

Marital status

Status	Male	Female
Never married	37.5%	27.5%
Married	42.6%	44.7%
Separated	0.3%	1.3%
Widowed	4.5%	14.2%
Divorced	15.2%	12.2%

Education

Less than 9th grade 2.9%

Some HS, no diploma 11.0%

HS graduate 39.8%

Some college, no degree 17.5%

Associate's degree 6.7%

Bachelor's degree 10.6%

Graduate / professional 11.6%

Metric	%
HS diploma or higher	86.2%
Bachelor's or higher	22.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	87	5.6%
Kindergarten	201	13.0%
Elementary school	868	56.3%
High school	162	10.5%
College / grad school	223	14.5%

Employment

Industry of employment

Education & healthcare 21.8%

Manufacturing 16.1%

Retail trade 13.5%

Construction 12.3%

Arts, food & hospitality 7.6%

Transportation & utilities 6.4%

Professional & management 5.1%

Public administration 4.8%

Finance & real estate 3.9%

Other services 2.9%

Wholesale trade 2.4%

Information 1.7%

Agriculture & mining 1.5%

Occupation

Category	%
Management, business & arts	20.4%
Service	14.4%
Sales & office	27.6%
Natural resources & construction	14.0%
Production & transportation	23.6%

Employment type

Type	%
Private sector	80.0%
Government	13.6%
Self-employed	5.8%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	84.6%
Carpool	6.3%
Public transit	0.0%
Walk	1.3%
Other means	0.7%
Avg commute (minutes)	28.9

Poverty

All people 14.3%

Under 18 years 33.1%

18 and over 8.5%

Married-couple families 6.3%

Female-led households 20.9%

Income support

Source	% of households
Social Security	40.3%
Retirement income	27.6%
Supplemental Security	5.8%
Cash public assistance	4.3%
Food stamps / SNAP	14.3%

Health indicators

Condition	%
High blood pressure	36.6%
High cholesterol	36.1%
Heart disease	7.6%
Stroke	3.6%
Asthma	10.0%
Arthritis	26.1%
Kidney disease	3.2%
Pulmonary disease	9.0%
Cancer	7.2%

Behavior / access	%
Binge drinking	14.1%
No physical activity	29.3%
Less than 7 hrs sleep	32.6%
Fair or poor health	16.2%
Poor mental health	14.5%
Poor physical health	11.5%
No health insurance	17.3%
Visited doctor (checkup)	76.6%
Visited dentist	52.8%
Cholesterol screening	89.0%
Teeth loss	17.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	391	7.5%

Disability	%
Any disability	15.6%
Under 18	1.2%
18–64 years	15.6%
65 and over	35.7%

Health insurance coverage

Type	%
Private insurance	56.6%
Public insurance	51.3%
Uninsured under 19	2.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,474	95.0%
Spanish	351	5.4%
Other Indo-European	255	3.9%
Asian & Pacific Islander	32	0.5%
Other languages	19	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,488	95.2%
Born in same state	6,434	94.4%
Born in different state	1,884	27.6%
Foreign born	54	0.8%
Naturalized citizen	330	4.8%
Not a US citizen	200	60.6%

Ancestry

Ancestry	Count	%
French	1,292	18.9%
Italian	1,003	14.7%
Arab	387	5.7%

Ancestry	Count	%
Irish	52	0.8%
Polish	52	0.8%
English	5	0.1%

Technology access

Metric	% of households
Computer access	33.5%
Internet access	88.1%

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

Frequently asked questions

What ZIP codes does Delmar, DE have?

Delmar, DE has one ZIP code: 19940. Each ZIP code serves a distinct delivery area within the city and surrounding region.