Postal Codes

19804 ZIP Code

Advertisement

English Español

ZIP code 19804 covers Wilmington, Delaware, with a population of about 18,231 and a median household income of $76,204.

Population
18,2312,541 per square mile
Median age
412.3 points above the US average
Median household income
$76,2048% below the Delaware median
Poverty rate
8.5%3.9 points below the US average
Typical home value
$281,047up 25.9% in five years
Median rent
$1,15714% below the Delaware median
Degree or higher
23.3%11.7 points below the US average
Homeownership
75.7%10.7 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
589

Where 19804 is

Wilmington, 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

Population18,231
Median age41
Family households57.5%
Born outside the US10%
Speaks a language other than English at home18.1%
White (non-Hispanic)62.5%
Black (non-Hispanic)13%
Asian (non-Hispanic)1.5%
Hispanic or Latino18%
Veterans5%
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$76,204
Income per person$45,369
Poverty rate8.5%
Households on SNAP or cash assistance11.4%

Household income distribution

Under $10k4.4%
$10–15k2.3%
$15–20k3.5%
$20–25k1.7%
$25–30k6.9%
$30–35k2.1%
$35–40k3.4%
$40–45k3.5%
$45–50k4.2%
$50–60k8.8%
$60–75k7.6%
$75–100k15.6%
$100–125k10.2%
$125–150k8.3%
$150–200k9.7%
$200k or more7.7%

Income as declared to the IRS

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

Tax returns filed9,690
Mean adjusted gross income$58,397
Returns declaring $200,000 or more1.7%
Returns, under $25k27.5%
Returns, $25k–$50k29.0%
Returns, $50k–$75k18.5%
Returns, $75k–$100k10.6%
Returns, $100k–$200k12.8%
Returns, $200k or more1.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$244,700
Median gross rent$1,157
Rent as a share of household income26.6%
Owner-occupied75.7%
Vacant homes5.5%
Median year built1957

What the homes are

Detached house68%
Attached house13.2%
2 to 4 units7.6%
5 to 19 units10.1%
20 or more units0.4%
Mobile home0.8%
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$281,047as of 2026-07
Typical home value, 1 yearup 0%
Typical home value, 5 yearsup 25.9%
Typical home value, 10 yearsup 72.3%
Typical home value since 2000
200020132026$281,168$102,600

$102,600 in 2000 to $281,047 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.8%
Bachelor's degree or higher23.3%
High school diploma or higher89.1%
Works from home10.1%
Drives to work alone75.9%
Takes public transport1.4%
Commutes 45 minutes or more12.2%
Health

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

Obesity35.1% 1.7 pts above the national average of 33.4%
Diagnosed diabetes12.5% 0.5 pts above the national average of 12%
Currently smokes14.1% 0.9 pts above the national average of 13.2%
High blood pressure34.9% 0.8 pts above the national average of 34.1%
Fair or poor general health20.3% same as the national average of 20.3%
No health insurance (18–64)11.8% 0.5 pts above the national average of 11.3%
Depression22.9% 1 pts above the national average of 21.9%
No leisure-time physical activity28.6% 3.2 pts above the national average of 25.4%
Arthritis26.4% 1.3 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication74.4% same as the national average of 74.7%
Cancer (non-skin)8.2% 0.5 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease6.4% same as the national average of 6.2%
Routine check-up in past year77.4% 0.7 pts above the national average of 76.7%
Cholesterol screening85.8% same as the national average of 85.9%
Cognitive disability15.1% same as the national average of 14.8%
Colorectal screening63% 1.3 pts below the national average of 64.3%
COPD7.2% 0.6 pts above the national average of 6.6%
Visited a dentist59.6% 1.7 pts below the national average of 61.3%
Any disability32% 1.3 pts above the national average of 30.7%
Lacks emotional support22.5% 2.3 pts below the national average of 24.8%
Food insecurity16.4% 0.7 pts below the national average of 17.1%
Received food stamps13.7% 0.6 pts below the national average of 14.3%
Hearing disability6.4% same as the national average of 6.7%
High cholesterol38.8% 2.6 pts above the national average of 36.2%
Housing insecurity13.8% same as the national average of 13.8%
Independent living disability8.6% same as the national average of 8.4%
Lacks transport9% same as the national average of 9.2%
Loneliness32.5% 1.9 pts below the national average of 34.4%
Mammography use75.6% same as the national average of 75.9%
Poor mental health (14+ days)17% same as the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)14% 0.5 pts above the national average of 13.5%
Self-care disability4% same as the national average of 4%
Utility shut-off threat8.6% same as the national average of 8.8%
Sleeps under 7 hours35.8% 0.6 pts below the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost13.4% same as the national average of 13%
Vision disability5.4% same as the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments589
People employed8,616
Annual payroll$446,450,000
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 52.1% of US census tracts
FEMA ratingVery Low to Relatively High across the 9 census tracts this ZIP code covers
Expected annual loss54.3 out of 100
Community resilience75.2 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.

Winter weather89Relatively High at its worst in this ZIP code
River flooding73.3Very High at its worst in this ZIP code
Coastal flooding71.6Relatively Moderate at its worst in this ZIP code
Earthquake68.6Relatively Low at its worst in this ZIP code
Hurricane64.3Relatively Low at its worst in this ZIP code
Cold wave58.6Relatively Moderate at its worst in this ZIP code
Heat wave57.1Relatively Moderate at its worst in this ZIP code
Ice storm53.5Relatively Low at its worst in this ZIP code
Landslide51.7Very Low at its worst in this ZIP code
Wildfire44.5Very Low at its worst in this ZIP code
Tornado42.2Relatively Low at its worst in this ZIP code
Strong wind40.4Relatively Low at its worst in this ZIP code
Lightning31.2Relatively Low at its worst in this ZIP code
Drought7.2Very Low at its worst in this ZIP code
Hail4.5Very 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$76,204$82,855$78,538
Income per person$45,369$44,219$43,289
Poverty rate8.5%10.7%12.4%
Median home value$244,700$326,800$303,400
Median gross rent$1,157$1,341$1,348
Homeownership75.7%72.3%65%
Bachelor's degree or higher23.3%35.3%35%
Unemployment rate5.8%5.1%5.2%
Works from home10.1%13.3%13.5%
Born outside the US10%10.4%13.9%
Median age4141.538.7
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 stationWILMINGTON NEW CASTLE CO AP, DE US5.1 km away
Rain in a year45 in
Snow in a year20 in

Average high and low by month

January41.4°F / 25.6°F3.23 in rain, 6.1 in snow
February44.1°F / 27°F2.83 in rain, 7.8 in snow
March52.5°F / 33.9°F4.16 in rain, 3.1 in snow
April64.2°F / 43.5°F3.51 in rain, 0.1 in snow
May73.5°F / 53.4°F3.57 in rain
June82.2°F / 63°F4.67 in rain
July86.8°F / 68.3°F4.41 in rain
August84.9°F / 66.6°F3.98 in rain
September78.5°F / 59.3°F4.38 in rain
October67°F / 47.3°F3.68 in rain
November55.9°F / 37.4°F3.06 in rain, 0.2 in snow
December46°F / 30.3°F3.85 in rain, 2.9 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 supermarket7% of this ZIP code's area
Far from a supermarket7% of this ZIP code's area
No vehicle and far from a supermarket16% 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%.

Red Clay Consolidated School District100% 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 vulnerability59more vulnerable than 59% of US census tracts
Socioeconomic status54more vulnerable than 54% of US census tracts
Household characteristics76more vulnerable than 76% of US census tracts
Racial and ethnic minority status52more vulnerable than 52% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability13.2 out of 20Above average
Nearby ZIP codes

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

19805 Wilmington, DE4.3 km away
19808 Wilmington, DE4.5 km away
19801 Wilmington, DE6.3 km away
19806 Wilmington, DE6.5 km away
19884 Wilmington, DE6.9 km away
19885 Wilmington, DE6.9 km away
19886 Wilmington, DE6.9 km away
19893 Wilmington, DE6.9 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.

New Castle County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.18 sq mi
Water area0.07 sq mi
Population density2,541 people per sq mi
Latitude, longitude39.7168, -75.6184

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.

Advertisement