Postal Codes

19904 ZIP Code

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ZIP code 19904 covers Dover, Delaware, with a population of about 38,125 and a median household income of $66,885.

Population
38,125883 per square mile
Median age
40.51.8 points above the US average
Median household income
$66,88519% below the Delaware median
Poverty rate
14.4%2 points above the US average
Typical home value
$347,401up 29.5% in five years
Median rent
$1,2408% below the Delaware median
Degree or higher
27.2%7.8 points below the US average
Homeownership
62%3 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
952

Where 19904 is

Dover, Delaware — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population38,125
Median age40.5
Family households62.4%
Born outside the US10.1%
Speaks a language other than English at home13.4%
White (non-Hispanic)47.9%
Black (non-Hispanic)34.5%
Asian (non-Hispanic)3.2%
Hispanic or Latino8.1%
Veterans11%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$66,885
Income per person$33,930
Poverty rate14.4%
Households on SNAP or cash assistance17.3%

Household income distribution

Under $10k4.1%
$10–15k4.8%
$15–20k2.5%
$20–25k3.7%
$25–30k4.8%
$30–35k2.8%
$35–40k4.0%
$40–45k5.8%
$45–50k5.0%
$50–60k7.3%
$60–75k9.3%
$75–100k14.8%
$100–125k12.7%
$125–150k7.9%
$150–200k5.3%
$200k or more5.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed17,590
Mean adjusted gross income$63,230
Returns declaring $200,000 or more3%
Returns, under $25k28.4%
Returns, $25k–$50k27.5%
Returns, $50k–$75k16.3%
Returns, $75k–$100k10.2%
Returns, $100k–$200k14.7%
Returns, $200k or more3.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$281,000
Median gross rent$1,240
Rent as a share of household income34.7%
Owner-occupied62%
Vacant homes7.9%
Median year built1990

What the homes are

Detached house56.2%
Attached house10.1%
2 to 4 units5.2%
5 to 19 units15.5%
20 or more units5.5%
Mobile home7.5%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$347,401as of 2026-07
Typical home value, 1 yearup 1.9%
Typical home value, 5 yearsup 29.5%
Typical home value, 10 yearsup 81.6%
Typical asking rent$1,739as of 2026-07
Typical asking rent, 1 yearup 3.2%
Typical home value since 2000
200920172026$347,401$167,442

$195,425 in 2009 to $347,401 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.4%
Bachelor's degree or higher27.2%
High school diploma or higher90.6%
Works from home8.6%
Drives to work alone75.6%
Takes public transport1.6%
Commutes 45 minutes or more20.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity44.4% 11 pts above the national average of 33.4%
Diagnosed diabetes15.1% 3.1 pts above the national average of 12%
Currently smokes13.9% 0.7 pts above the national average of 13.2%
High blood pressure40.7% 6.6 pts above the national average of 34.1%
Fair or poor general health22.4% 2.1 pts above the national average of 20.3%
No health insurance (18–64)9.6% 1.7 pts below the national average of 11.3%
Depression22.5% 0.6 pts above the national average of 21.9%
No leisure-time physical activity32.8% 7.4 pts above the national average of 25.4%
Arthritis29.6% 4.5 pts above the national average of 25.1%
Binge drinking12.3% 3.7 pts below the national average of 16%
Taking blood pressure medication78% 3.3 pts above the national average of 74.7%
Cancer (non-skin)8.2% 0.5 pts above the national average of 7.7%
Current asthma12.9% 2.5 pts above the national average of 10.4%
Coronary heart disease6.9% 0.7 pts above the national average of 6.2%
Routine check-up in past year82.6% 5.9 pts above the national average of 76.7%
Cholesterol screening85.9% same as the national average of 85.9%
Cognitive disability15.4% 0.6 pts above the national average of 14.8%
Colorectal screening66.2% 1.9 pts above the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist58.6% 2.7 pts below the national average of 61.3%
Any disability36.4% 5.7 pts above the national average of 30.7%
Lacks emotional support23.5% 1.3 pts below the national average of 24.8%
Food insecurity17.9% 0.8 pts above the national average of 17.1%
Received food stamps16.9% 2.6 pts above the national average of 14.3%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol39.2% 3 pts above the national average of 36.2%
Housing insecurity15.2% 1.4 pts above the national average of 13.8%
Independent living disability9.7% 1.3 pts above the national average of 8.4%
Lacks transport9.8% 0.6 pts above the national average of 9.2%
Loneliness35.6% 1.2 pts above the national average of 34.4%
Mammography use74.3% 1.6 pts below the national average of 75.9%
Poor mental health (14+ days)18.2% 1.4 pts above the national average of 16.8%
Mobility disability17.6% 3.6 pts above the national average of 14%
Poor physical health (14+ days)15% 1.5 pts above the national average of 13.5%
Self-care disability4.5% 0.5 pts above the national average of 4%
Utility shut-off threat9.9% 1.1 pts above the national average of 8.8%
Sleeps under 7 hours41.8% 5.4 pts above the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost18.4% 5.4 pts above the national average of 13%
Vision disability6.1% 0.5 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments952
People employed12,420
Annual payroll$734,322,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 53% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 14 census tracts this ZIP code covers
Expected annual loss59.2 out of 100
Community resilience57.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought89.1Relatively Moderate at its worst in this ZIP code
Cold wave88.8Very High at its worst in this ZIP code
Winter weather88Very High at its worst in this ZIP code
Hurricane84.6Relatively High at its worst in this ZIP code
Wildfire70.9Relatively Low at its worst in this ZIP code
Heat wave70.8Relatively High at its worst in this ZIP code
Lightning62.7Relatively High at its worst in this ZIP code
Strong wind56Relatively High at its worst in this ZIP code
River flooding54.9Relatively High at its worst in this ZIP code
Earthquake54.6Relatively Moderate at its worst in this ZIP code
Ice storm53.1Relatively Moderate at its worst in this ZIP code
Landslide52.6Very Low at its worst in this ZIP code
Tornado52.6Relatively Moderate at its worst in this ZIP code
Hail40.4Relatively Low at its worst in this ZIP code
Coastal flooding29.8Relatively Low at its worst in this ZIP code
Compared with Delaware and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPDelawareUnited States
Median household income$66,885$82,855$78,538
Income per person$33,930$44,219$43,289
Poverty rate14.4%10.7%12.4%
Median home value$281,000$326,800$303,400
Median gross rent$1,240$1,341$1,348
Homeownership62%72.3%65%
Bachelor's degree or higher27.2%35.3%35%
Unemployment rate5.4%5.1%5.2%
Works from home8.6%13.3%13.5%
Born outside the US10.1%10.4%13.9%
Median age40.541.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationDOVER, DE US8.1 km away
Rain in a year48 in
Snow in a year13 in

Average high and low by month

January44.4°F / 27.6°F3.43 in rain, 4.1 in snow
February47.4°F / 29°F3.08 in rain, 5.9 in snow
March54.5°F / 35.4°F4.21 in rain, 0.6 in snow
April66°F / 44.9°F3.72 in rain
May74.4°F / 54.4°F3.89 in rain
June82.7°F / 63.8°F4.56 in rain
July86.9°F / 69°F4.14 in rain
August85.1°F / 67.3°F4.92 in rain
September79.2°F / 61°F4.25 in rain
October68.9°F / 49.5°F4.06 in rain
November58°F / 39.3°F3.36 in rain
December48.6°F / 32.1°F3.99 in rain, 2.6 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket20% of this ZIP code's area
Far from a supermarket83% of this ZIP code's area
No vehicle and far from a supermarket91% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Capital School District76.2% of this ZIP code's land area
Caesar Rodney School District13.2% of this ZIP code's land area
Smyrna School District10.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability69more vulnerable than 69% of US census tracts
Socioeconomic status61more vulnerable than 61% of US census tracts
Household characteristics77more vulnerable than 77% of US census tracts
Racial and ethnic minority status62more vulnerable than 62% of US census tracts
Housing type and transport57more vulnerable than 57% of US census tracts
Walkability6.8 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

19906 Dover, DE5.9 km away
19905 Dover, DE6.3 km away
19936 Cheswold, DE6.5 km away
19934 Camden Wyoming, DE6.8 km away
19953 Hartly, DE8.3 km away
19901 Dover, DE8.8 km away
19955 Kenton, DE9.2 km away
19980 Woodside, DE10.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Kent County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area43.19 sq mi
Water area0.33 sq mi
Population density883 people per sq mi
Latitude, longitude39.1605, -75.5974

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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