19803 ZIP Code — Wilmington, DE

New Castle County, Delaware

ZIP code 19803 is located in Wilmington, Delaware, within New Castle County. It covers approximately 12.66 square miles and serves a population of 21,437 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 302.

About ZIP code 19803

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $400,200. Owner-occupancy is high at 90%, well above the national average.

The gap between median ($122,853) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is high — 61% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 19803 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

21,437

population

12.66

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

19803 ZIP code map

Cities in ZIP code 19803

Below are the cities the US Postal Service accepts for ZIP code 19803. Using any city not on this list may result in mail delivery delays.

City	Status
Wilmington	Acceptable
Wilmington	Preferred

Nearby ZIP codes

19810 Wilmington (2.1 mi) 19806 Wilmington (2.9 mi) 19802 Wilmington (3 mi) 19809 Wilmington (3.6 mi) 19890 Wilmington (3.8 mi) 19891 Wilmington (3.8 mi) 19893 Wilmington (3.8 mi) 19886 Wilmington (3.8 mi) 19885 Wilmington (3.8 mi) 19892 Wilmington (3.8 mi) 19894 Wilmington (3.8 mi) 19884 Wilmington (3.8 mi)

Demographics updated 06/2026

Population
Total population	21,437
Population density	1,693 / sq mi
State FIPS	10
County FIPS	003

Geography
Land area	12.66 sq mi
Water area	0.01 sq mi
Latitude	39.7999
Longitude	-75.5391
Timezone	Eastern (ET)
Area code	302

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.9%	33.4%	36.1%
$50k – $100k	23.5%	30.4%	31.6%
$100k – $200k	33.3%	26.6%	24.7%
Over $200k	21.3%	9.5%	7.6%

Demographics & statistics

21,437

Population

1,693

People per sq mi

47.3

Median age

$122,853

Median household income

$68,401

Per capita income

$400,200

Median home value

$1,524

Median monthly rent

89.6%

Home ownership

3.6%

Poverty rate

5.7%

Unemployment

7,841

Housing units

61.4%

Bachelor's or higher

Age distribution

Male Female

477

Under 5

479

616

5–9

619

674

10–14

678

638

15–19

641

458

20–24

461

913

25–34

917

1,275

35–44

1,282

1,589

45–54

1,596

844

55–59

849

615

60–64

618

1,537

65–74

1,544

678

75–84

681

378

85+

380

← Male

Female →

Age summary

Group	Count	%
Under 18	4,502	21.0%
18 and over	16,935	79.0%
65 and over	5,198	24.2%
Median age	47.3 years

Race & ethnicity

White 85.1%

Black or African American 5.2%

Two or more races 3.3%

Asian 3%

Hispanic or Latino 2.3%

Other race 1.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	18,668	85.1%
Black or African American	1,136	5.2%
Two or more races	715	3.3%
Asian	658	3%
Hispanic or Latino	504	2.3%
Other race	248	1.1%
American Indian / Alaska Native	12	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.9%	33.4%	36.1%
$50k – $100k	23.5%	30.4%	31.6%
$100k – $200k	33.3%	26.6%	24.7%
Over $200k	21.3%	9.5%	7.6%

Under $10k 3.8%

$10k–$15k 1.0%

$15k–$25k 3.1%

$25k–$35k 3.8%

$35k–$50k 6.4%

$50k–$75k 11.7%

$75k–$100k 10.3%

$100k–$150k 20.2%

$150k–$200k 11.9%

$200k+ 27.7%

Range	% of households
Under $10k	3.8%
$10k–$15k	1.0%
$15k–$25k	3.1%
$25k–$35k	3.8%
$35k–$50k	6.4%
$50k–$75k	11.7%
$75k–$100k	10.3%
$100k–$150k	20.2%
$150k–$200k	11.9%
$200k+	27.7%
Median income	$122,853

Housing

Home values

Under $50k 0.8%

$50k–$100k 0.4%

$150k–$200k 0.7%

$200k–$300k 11.9%

$300k–$500k 56.7%

$500k–$1M 28.7%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$400,200
Median rent / month	$1,524
Owner occupied	89.6%
Renter occupied	10.4%
Vacant	2.3%
Single-family detached	86.1%
Large apartment buildings	5.8%
Mobile homes	0.1%
Median rooms	7.6
Avg household size (owned)	2.50

Year built

Era	%
2020 or later	0.0%
2010–2019	2.2%
2000–2009	4.9%
1990–1999	4.3%
1980–1989	2.9%
1970–1979	12.2%
1960–1969	23.5%
1950–1959	41.4%
1940–1949	5.6%
1939 or earlier	2.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	4.7%
2 bedrooms	9.1%
3 bedrooms	39.3%
4 bedrooms	38.5%
5+ bedrooms	7.8%

Vehicles per household

Vehicles	% of households
No vehicle	2.4%
1 vehicle	28.3%
2 vehicles	46.9%
3 or more	22.4%

Heating fuel

Fuel type	%
Utility gas	69.6%
Electricity	15.4%
Propane / LP gas	1.3%
Fuel oil	13.1%
Wood	0.3%

Households & families

Household type	Count	%
Married-couple family	4,779	56.1%
Cohabiting couple	593	7.0%
Male householder, no spouse	1,249	14.7%
Female householder, no spouse	1,902	22.3%
Households with children under 18	2,270	26.6%
Households with seniors (65+)	3,449	40.5%
Average household size	2.45

Marital status

Status	Male	Female
Never married	28.0%	22.5%
Married	56.9%	53.1%
Separated	1.1%	1.1%
Widowed	3.8%	10.1%
Divorced	10.1%	13.1%

Education

Less than 9th grade 0.9%

Some HS, no diploma 2.1%

HS graduate 15.7%

Some college, no degree 12.4%

Associate's degree 7.5%

Bachelor's degree 33.7%

Graduate / professional 27.7%

Metric	%
HS diploma or higher	97.0%
Bachelor's or higher	61.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	461	9.4%
Kindergarten	233	4.8%
Elementary school	1,847	37.7%
High school	1,271	25.9%
College / grad school	1,087	22.2%

Employment

Industry of employment

Education & healthcare 27.9%

Professional & management 13.5%

Finance & real estate 13.2%

Retail trade 10.7%

Manufacturing 8.8%

Arts, food & hospitality 7.0%

Construction 3.9%

Other services 3.6%

Transportation & utilities 3.1%

Public administration 3.0%

Information 2.7%

Wholesale trade 2.4%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	63.6%
Service	9.3%
Sales & office	17.2%
Natural resources & construction	4.5%
Production & transportation	5.3%

Employment type

Type	%
Private sector	84.4%
Government	10.3%
Self-employed	5.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.3%
Carpool	5.8%
Public transit	0.8%
Walk	0.6%
Work from home	19.1%
Other means	0.4%
Avg commute (minutes)	21.8

Poverty

All people 3.6%

Under 18 years 2.6%

18 and over 3.8%

Married-couple families 0.3%

Female-led households 2.7%

Income support

Source	% of households
Social Security	38.3%
Retirement income	35.5%
Supplemental Security	2.8%
Cash public assistance	0.8%
Food stamps / SNAP	2.5%

Health indicators

Condition	%
Obesity	28.2%
High blood pressure	33.8%
High cholesterol	34.8%
Diabetes	9.6%
Heart disease	6.6%
Stroke	2.7%
Asthma	9.0%
Arthritis	24.5%
Kidney disease	2.9%
Pulmonary disease	5.3%
Cancer	8.6%

Behavior / access	%
Smoking	10.4%
Binge drinking	15.9%
No physical activity	17.9%
Less than 7 hrs sleep	28.3%
Depression	16.4%
Fair or poor health	9.8%
Poor mental health	10.7%
Poor physical health	8.4%
No health insurance	8.4%
Visited doctor (checkup)	76.1%
Visited dentist	76.2%
Cholesterol screening	93.8%
Teeth loss	6.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,092	6.5%

Disability	%
Any disability	11.6%
Under 18	6.2%
18–64 years	10.0%
65 and over	20.4%

Health insurance coverage

Type	%
Private insurance	84.2%
Public insurance	32.0%
No insurance	3.0%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	20,481	95.5%
Spanish	489	2.4%
Other Indo-European	163	0.8%
Asian & Pacific Islander	94	0.5%
Other languages	217	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,986	93.2%
Born in same state	19,824	92.5%
Born in different state	9,035	42.1%
Foreign born	162	0.8%
Naturalized citizen	1,451	6.8%
Not a US citizen	991	68.3%

Ancestry

Ancestry	Count	%
Italian	5,261	24.5%
French	2,851	13.3%
Arab	727	3.4%
Polish	168	0.8%
English	121	0.6%

Ancestry	Count	%
Irish	94	0.4%
Norwegian	74	0.3%
German	68	0.3%
Dutch	24	0.1%

Technology access

Metric	% of households
Computer access	39.8%
Internet access	95.8%

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

Frequently asked questions about ZIP code 19803

What city is ZIP code 19803 in?

ZIP code 19803 is primarily assigned to Wilmington, Delaware.

What county is ZIP code 19803 in?

ZIP code 19803 falls within New Castle County, Delaware.

How educated is the population of ZIP code 19803?

61% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 19803 mostly owner-occupied?

90% of occupied units in ZIP code 19803 are owner-occupied, well above the national average.

Does ZIP code 19803 have a large retiree population?

38% of households in ZIP code 19803 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 19803?

The median household income in ZIP code 19803 is $122,853, above the national median of ~$75,000.

What timezone is ZIP code 19803 in?

ZIP code 19803 observes the EST timezone.