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Maryland ZIP Codes
Wicomico County
Salisbury, MD
21804
21804 ZIP Code — Salisbury, MD
Wicomico County, Maryland
ZIP code 21804 is located in
Salisbury ,
Maryland ,
within Wicomico County .
It covers approximately 68.59 square miles and serves a population of
38,722 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 410/443/667 .
About ZIP code 21804
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $213,900. Owner-occupancy sits near the national average at 49%.
Median household income is $64,513.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 21804
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
38,722
Population density
565 / sq mi
State FIPS
24
County FIPS
045
Geography
Land area
68.59 sq mi
Water area
0.45 sq mi
Latitude
38.3446
Longitude
-75.5155
Timezone
Eastern (ET)
Area code
410/443/667
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.1%
42.5%
28.2%
$50k – $100k
31.9%
31.8%
28.2%
$100k – $200k
20.7%
21.8%
30.1%
Over $200k
3.3%
4.0%
13.4%
Demographics & statistics
$64,513
Median household income
$213,900
Median home value
$1,249
Median monthly rent
28.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 7,911 20.4%
18 and over 30,811 79.6%
65 and over 5,803 15.0%
Median age 32.9 years
Race & ethnicity
Black or African American
28.8%
American Indian / Alaska Native
0.2%
Group Count %
White 22,801 57.1%
Black or African American 11,512 28.8%
Two or more races 2,503 6.3%
Asian 1,490 3.7%
Hispanic or Latino 1,197 3%
Other race 320 0.8%
American Indian / Alaska Native 87 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
44.1%
42.5%
28.2%
$50k – $100k
31.9%
31.8%
28.2%
$100k – $200k
20.7%
21.8%
30.1%
Over $200k
3.3%
4.0%
13.4%
Range % of households
Under $10k 7.2%
$10k–$15k 2.1%
$15k–$25k 7.6%
$25k–$35k 8.6%
$35k–$50k 11.2%
$50k–$75k 20.0%
$75k–$100k 13.5%
$100k–$150k 15.5%
$150k–$200k 8.5%
$200k+ 5.8%
Median income $64,513
Housing
Housing overview
Metric Value
Median home value $213,900
Median rent / month $1,249
Owner occupied 48.7%
Renter occupied 51.3%
Vacant 8.2%
Single-family detached 58.4%
Large apartment buildings 7.9%
Mobile homes 1.6%
Median rooms 5.5
Avg household size (owned) 2.56
Year built
Era %
2020 or later 0.4%
2010–2019 6.0%
2000–2009 16.8%
1990–1999 10.1%
1980–1989 17.2%
1970–1979 18.4%
1960–1969 11.9%
1950–1959 11.0%
1940–1949 4.3%
1939 or earlier 3.9%
Bedrooms
Size % of units
No bedroom (studio) 0.9%
1 bedroom 6.3%
2 bedrooms 27.6%
3 bedrooms 45.9%
4 bedrooms 16.8%
5+ bedrooms 2.4%
Vehicles per household
Vehicles % of households
No vehicle 4.7%
1 vehicle 37.6%
2 vehicles 36.6%
3 or more 21.2%
Heating fuel
Fuel type %
Utility gas 20.2%
Electricity 62.2%
Propane / LP gas 6.0%
Fuel oil 9.3%
Wood 0.5%
Solar 0.2%
No fuel used 1.2%
Households & families
Household type Count %
Married-couple family 5,745 37.9%
Cohabiting couple 1,657 10.9%
Male householder, no spouse 2,730 18.0%
Female householder, no spouse 5,025 33.2%
Households with children under 18 4,395 29.0%
Households with seniors (65+) 4,184 27.6%
Average household size 2.46
Marital status
Status Male Female
Never married 44.8% 42.4%
Married 41.5% 34.7%
Separated 2.0% 1.4%
Widowed 3.4% 7.8%
Divorced 8.4% 13.7%
Education
Some college, no degree
19.0%
Graduate / professional
10.8%
Metric %
HS diploma or higher 88.9%
Bachelor's or higher 28.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 420 3.6%
Kindergarten 638 5.5%
Elementary school 3,209 27.7%
High school 1,954 16.9%
College / grad school 5,365 46.3%
Employment
Industry of employment
Education & healthcare
30.2%
Arts, food & hospitality
13.9%
Transportation & utilities
5.2%
Professional & management
5.0%
Public administration
4.8%
Finance & real estate
3.1%
Agriculture & mining
1.8%
Occupation
Category %
Management, business & arts 31.3%
Service 23.3%
Sales & office 19.6%
Natural resources & construction 9.2%
Production & transportation 16.7%
Employment type
Type %
Private sector 77.3%
Government 20.2%
Self-employed 2.4%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 80.3%
Carpool 12.5%
Public transit 1.4%
Walk 1.1%
Work from home 3.5%
Other means 1.3%
Avg commute (minutes) 23.1
Poverty
Married-couple families
4.7%
Female-led households
22.6%
Income support
Source % of households
Social Security 28.6%
Retirement income 21.9%
Supplemental Security 3.3%
Cash public assistance 3.4%
Food stamps / SNAP 13.9%
Health indicators
Condition %
Obesity 35.6%
High blood pressure 34.8%
High cholesterol 31.7%
Diabetes 10.2%
Heart disease 5.8%
Stroke 3.1%
Asthma 11.2%
Arthritis 23.9%
Kidney disease 2.9%
Pulmonary disease 6.8%
Cancer 5.8%
Behavior / access %
Smoking 17.1%
Binge drinking 16.1%
No physical activity 22.9%
Less than 7 hrs sleep 34.0%
Depression 20.9%
Fair or poor health 14.5%
Poor mental health 16.4%
Poor physical health 9.6%
No health insurance 12.6%
Visited doctor (checkup) 77.4%
Visited dentist 55.8%
Cholesterol screening 88.4%
Teeth loss 15.0%
Veterans & disability
Veterans Count %
Civilian veterans 2,022 6.6%
Disability %
Any disability 11.0%
Under 18 5.3%
18–64 years 8.6%
65 and over 29.4%
Health insurance coverage
Type %
Private insurance 64.3%
Public insurance 41.8%
No insurance 7.2%
Uninsured under 19 4.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 36,365 93.9%
Spanish 2,539 7.0%
Other Indo-European 739 2.0%
Asian & Pacific Islander 1,374 3.8%
Other languages 412 1.1%
Place of birth & citizenship
Origin Count %
Native born (US) 34,754 89.8%
Born in same state 34,178 88.3%
Born in different state 22,450 58.0%
Foreign born 576 1.5%
Naturalized citizen 3,968 10.2%
Not a US citizen 1,701 42.9%
Ancestry
Ancestry Count %
French 4,553 11.8%
Italian 3,960 10.2%
Arab 3,065 7.9%
English 202 0.5%
Ancestry Count %
Polish 193 0.5%
Irish 131 0.3%
Norwegian 53 0.1%
German 52 0.1%
Technology access
Metric % of households
Computer access 39.1%
Internet access 94.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21804
What city is ZIP code 21804 in?
ZIP code 21804 is primarily assigned to Salisbury, Maryland.
What county is ZIP code 21804 in?
ZIP code 21804 falls within Wicomico County, Maryland.
What is the poverty rate in ZIP code 21804?
17% of residents in ZIP code 21804 live below the poverty line, above the national average.
What is the population of ZIP code 21804?
ZIP code 21804 has an estimated population of 38,722 residents, with a density of 565 people per square mile.
What is the typical home value in ZIP code 21804?
The median home value in ZIP code 21804 is $213,900.
What is the median household income in ZIP code 21804?
The median household income in ZIP code 21804 is $64,513, below the national median of ~$75,000.
What timezone is ZIP code 21804 in?
ZIP code 21804 observes the EST timezone.
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