19904 ZIP Code — Dover, DE

Kent County, Delaware

ZIP code 19904 is located in Dover, Delaware, within Kent County. It covers approximately 43.19 square miles and serves a population of 37,387 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 302.

About ZIP code 19904

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $268,300. Owner-occupancy sits near the national average at 63%.

Median household income is $63,815. 36% 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 27 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (20%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 19904 reflects a community defined by a strong veteran community and a significant Social Security-dependent population.

37,387

population

43.19

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

19904 ZIP code map

Cities in ZIP code 19904

Below are the cities the US Postal Service accepts for ZIP code 19904. Using any city not on this list may result in mail delivery delays.

City	Status
Dover	Preferred

Nearby ZIP codes

19906 Dover (3.4 mi) 19953 Hartly (4.3 mi) 19934 Camden Wyoming (4.4 mi) 19901 Dover (6 mi) 19979 Viola (7.3 mi) 19902 Dover Afb (7.9 mi) 19977 Smyrna (8.2 mi) 19962 Magnolia (8.4 mi) 19938 Clayton (8.5 mi) 21649 Marydel (9.2 mi) 19943 Felton (10 mi) 19946 Frederica (11.8 mi)

Demographics updated 06/2026

Population
Total population	37,387
Population density	866 / sq mi
State FIPS	10
County FIPS	001

Geography
Land area	43.19 sq mi
Water area	0.33 sq mi
Latitude	39.1565
Longitude	-75.6064
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	45.1%	41.1%	36.1%
$50k – $100k	32.3%	34.1%	31.6%
$100k – $200k	19.5%	21.7%	24.7%
Over $200k	3.2%	3.1%	7.6%

Demographics & statistics

37,387

Population

866

People per sq mi

40.2

Median age

$63,815

Median household income

$33,417

Per capita income

$268,300

Median home value

$1,162

Median monthly rent

63.2%

Home ownership

16.3%

Poverty rate

6.2%

Unemployment

10,534

Housing units

26.3%

Bachelor's or higher

Age distribution

Male Female

868

Under 5

944

1,183

5–9

1,286

1,044

10–14

1,134

1,329

15–19

1,444

1,304

20–24

1,418

2,341

25–34

2,544

2,093

35–44

2,275

2,191

45–54

2,382

1,113

55–59

1,209

988

60–64

1,073

1,929

65–74

2,096

1,107

75–84

1,204

426

85+

463

← Male

Female →

Age summary

Group	Count	%
Under 18	8,273	22.1%
18 and over	29,114	77.9%
65 and over	7,224	19.3%
Median age	40.2 years

Race & ethnicity

White 49.9%

Black or African American 32.3%

Two or more races 8%

Hispanic or Latino 4.3%

Asian 2.9%

Other race 1.7%

American Indian / Alaska Native 0.9%

Group	Count	%
White	19,502	49.9%
Black or African American	12,633	32.3%
Two or more races	3,108	8%
Hispanic or Latino	1,681	4.3%
Asian	1,115	2.9%
Other race	672	1.7%
American Indian / Alaska Native	357	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.1%	41.1%	36.1%
$50k – $100k	32.3%	34.1%	31.6%
$100k – $200k	19.5%	21.7%	24.7%
Over $200k	3.2%	3.1%	7.6%

Under $10k 3.9%

$10k–$15k 5.5%

$15k–$25k 7.8%

$25k–$35k 7.8%

$35k–$50k 15.5%

$50k–$75k 15.8%

$75k–$100k 14.6%

$100k–$150k 18.6%

$150k–$200k 6.7%

$200k+ 3.8%

Range	% of households
Under $10k	3.9%
$10k–$15k	5.5%
$15k–$25k	7.8%
$25k–$35k	7.8%
$35k–$50k	15.5%
$50k–$75k	15.8%
$75k–$100k	14.6%
$100k–$150k	18.6%
$150k–$200k	6.7%
$200k+	3.8%
Median income	$63,815

Housing

Home values

Under $50k 3.9%

$50k–$100k 2.9%

$100k–$150k 6.0%

$150k–$200k 11.6%

$200k–$300k 38.4%

$300k–$500k 32.9%

$500k–$1M 3.1%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$268,300
Median rent / month	$1,162
Owner occupied	63.2%
Renter occupied	36.8%
Vacant	8.4%
Single-family detached	58.7%
Large apartment buildings	5.7%
Mobile homes	7.0%
Median rooms	6.1
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	0.1%
2010–2019	10.0%
2000–2009	23.8%
1990–1999	12.9%
1980–1989	14.8%
1970–1979	13.2%
1960–1969	10.6%
1950–1959	6.8%
1940–1949	1.5%
1939 or earlier	6.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	8.1%
2 bedrooms	20.1%
3 bedrooms	43.0%
4 bedrooms	24.0%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	11.0%
1 vehicle	32.6%
2 vehicles	34.9%
3 or more	21.5%

Heating fuel

Fuel type	%
Utility gas	50.4%
Electricity	28.6%
Propane / LP gas	8.5%
Fuel oil	8.6%
Wood	0.9%
Solar	0.1%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	5,896	40.5%
Cohabiting couple	1,329	9.1%
Male householder, no spouse	3,061	21.0%
Female householder, no spouse	4,261	29.3%
Households with children under 18	4,092	28.1%
Households with seniors (65+)	4,989	34.3%
Average household size	2.48

Marital status

Status	Male	Female
Never married	41.5%	35.0%
Married	42.9%	38.2%
Separated	2.5%	1.9%
Widowed	2.7%	10.5%
Divorced	10.4%	14.3%

Education

Less than 9th grade 2.8%

Some HS, no diploma 7.7%

HS graduate 32.3%

Some college, no degree 22.8%

Associate's degree 8.2%

Bachelor's degree 15.3%

Graduate / professional 11.1%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	26.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	402	4.2%
Kindergarten	480	5.0%
Elementary school	3,620	37.5%
High school	1,987	20.6%
College / grad school	3,158	32.7%

Employment

Industry of employment

Education & healthcare 28.3%

Retail trade 13.0%

Manufacturing 9.8%

Professional & management 8.0%

Arts, food & hospitality 7.9%

Construction 7.5%

Public administration 6.7%

Transportation & utilities 6.0%

Other services 5.1%

Finance & real estate 4.9%

Wholesale trade 1.7%

Agriculture & mining 0.9%

Information 0.3%

Occupation

Category	%
Management, business & arts	34.3%
Service	17.0%
Sales & office	21.9%
Natural resources & construction	10.1%
Production & transportation	16.7%

Employment type

Type	%
Private sector	77.9%
Government	19.0%
Self-employed	3.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.5%
Carpool	10.5%
Public transit	2.0%
Walk	4.6%
Work from home	5.7%
Other means	1.7%
Avg commute (minutes)	26.6

Poverty

All people 16.3%

Under 18 years 25.5%

18 and over 13.6%

Married-couple families 3.2%

Female-led households 33.2%

Income support

Source	% of households
Social Security	35.9%
Retirement income	27.5%
Supplemental Security	4.8%
Cash public assistance	2.8%
Food stamps / SNAP	16.0%

Health indicators

Condition	%
Obesity	39.4%
High blood pressure	36.3%
High cholesterol	31.1%
Diabetes	12.7%
Heart disease	6.8%
Stroke	3.6%
Asthma	11.5%
Arthritis	25.8%
Kidney disease	3.3%
Pulmonary disease	7.9%
Cancer	6.1%

Behavior / access	%
Smoking	20.2%
Binge drinking	14.1%
No physical activity	29.1%
Less than 7 hrs sleep	38.3%
Depression	18.8%
Fair or poor health	16.3%
Poor mental health	15.2%
Poor physical health	11.3%
No health insurance	14.2%
Visited doctor (checkup)	77.0%
Visited dentist	54.8%
Cholesterol screening	89.2%
Teeth loss	16.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	3,578	12.4%

Disability	%
Any disability	17.2%
Under 18	7.2%
18–64 years	16.7%
65 and over	30.5%

Health insurance coverage

Type	%
Private insurance	66.1%
Public insurance	45.0%
No insurance	7.3%
Uninsured under 19	6.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	35,575	95.2%
Spanish	2,019	5.7%
Other Indo-European	756	2.1%
Asian & Pacific Islander	1,097	3.1%
Other languages	121	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	34,270	91.7%
Born in same state	33,301	89.1%
Born in different state	17,498	46.8%
Foreign born	969	2.6%
Naturalized citizen	3,117	8.3%
Not a US citizen	2,003	64.3%

Ancestry

Ancestry	Count	%
Italian	4,065	10.9%
French	3,234	8.7%
Arab	2,390	6.4%
English	609	1.6%

Ancestry	Count	%
Irish	143	0.4%
Polish	108	0.3%
Norwegian	60	0.2%
German	47	0.1%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	92.6%

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

Frequently asked questions about ZIP code 19904

What city is ZIP code 19904 in?

ZIP code 19904 is primarily assigned to Dover, Delaware.

What county is ZIP code 19904 in?

ZIP code 19904 falls within Kent County, Delaware.

What is the poverty rate in ZIP code 19904?

16% of residents in ZIP code 19904 live below the poverty line, above the national average.

Does ZIP code 19904 have a large veteran population?

12% of civilians in ZIP code 19904 are veterans, above the national average of ~7%.

Does ZIP code 19904 have a large retiree population?

36% of households in ZIP code 19904 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 19904?

ZIP code 19904 has an estimated population of 37,387 residents, with a density of 866 people per square mile.

What timezone is ZIP code 19904 in?

ZIP code 19904 observes the EST timezone.