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Maryland ZIP Codes
Cecil County
Perryville, MD
21903
21903 ZIP Code — Perryville, MD
Cecil County, Maryland
ZIP code 21903 is located in
Perryville ,
Maryland ,
within Cecil County .
It covers approximately 12.72 square miles and serves a population of
5,332 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 443/410 .
About ZIP code 21903
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 $285,600. Owner-occupancy sits near the national average at 74%.
Median household income is $73,608. 38% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with retail trade as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%.
Overall, ZIP code 21903 reflects a community defined by a strong veteran community and a significant Social Security-dependent population.
21903 ZIP code map
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Cities in ZIP code 21903
Below are the cities the US Postal Service accepts for ZIP code 21903. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
5,332
Population density
419 / sq mi
State FIPS
24
County FIPS
015
Geography
Land area
12.72 sq mi
Water area
1.11 sq mi
Latitude
39.5731
Longitude
-76.0436
Timezone
Eastern (ET)
Area code
443/410
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.1%
31.4%
28.2%
$50k – $100k
24.8%
31.8%
28.2%
$100k – $200k
30.9%
29.7%
30.1%
Over $200k
6.2%
7.1%
13.4%
Demographics & statistics
$73,608
Median household income
$285,600
Median home value
$1,056
Median monthly rent
25.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,041 19.5%
18 and over 4,291 80.5%
65 and over 977 18.3%
Median age 44.6 years
Race & ethnicity
Black or African American
9.5%
Group Count %
White 4,534 83.4%
Black or African American 517 9.5%
Two or more races 213 3.9%
Hispanic or Latino 106 1.9%
Other race 68 1.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
38.1%
31.4%
28.2%
$50k – $100k
24.8%
31.8%
28.2%
$100k – $200k
30.9%
29.7%
30.1%
Over $200k
6.2%
7.1%
13.4%
Range % of households
Under $10k 6.4%
$10k–$15k 0.9%
$15k–$25k 14.5%
$25k–$35k 4.8%
$35k–$50k 5.9%
$50k–$75k 19.0%
$75k–$100k 11.8%
$100k–$150k 20.3%
$150k–$200k 12.3%
$200k+ 4.3%
Median income $73,608
Housing
Housing overview
Metric Value
Median home value $285,600
Median rent / month $1,056
Owner occupied 74.1%
Renter occupied 25.9%
Vacant 13.2%
Single-family detached 58.9%
Large apartment buildings 7.8%
Mobile homes 1.8%
Median rooms 6.8
Avg household size (owned) 2.75
Year built
Era %
2020 or later 0.0%
2010–2019 1.1%
2000–2009 18.8%
1990–1999 17.3%
1980–1989 11.2%
1970–1979 14.4%
1960–1969 6.5%
1950–1959 9.7%
1940–1949 3.7%
1939 or earlier 17.3%
Bedrooms
Size % of units
No bedroom (studio) 0.4%
1 bedroom 7.1%
2 bedrooms 23.6%
3 bedrooms 40.9%
4 bedrooms 22.0%
5+ bedrooms 6.1%
Vehicles per household
Vehicles % of households
No vehicle 5.8%
1 vehicle 27.1%
2 vehicles 44.7%
3 or more 22.4%
Heating fuel
Fuel type %
Utility gas 23.9%
Electricity 42.3%
Propane / LP gas 9.3%
Fuel oil 19.3%
Wood 2.4%
Households & families
Household type Count %
Married-couple family 1,011 48.3%
Cohabiting couple 188 9.0%
Male householder, no spouse 325 15.5%
Female householder, no spouse 569 27.2%
Households with children under 18 555 26.5%
Households with seniors (65+) 815 38.9%
Average household size 2.53
Marital status
Status Male Female
Never married 26.1% 24.0%
Married 52.1% 45.2%
Separated 1.4% 2.5%
Widowed 3.8% 10.1%
Divorced 16.5% 18.3%
Education
Some college, no degree
20.3%
Graduate / professional
10.6%
Metric %
HS diploma or higher 92.3%
Bachelor's or higher 25.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 42 7.3%
Kindergarten 0 0.0%
Elementary school 357 62.1%
High school 77 13.4%
College / grad school 99 17.2%
Employment
Industry of employment
Education & healthcare
18.9%
Professional & management
11.6%
Transportation & utilities
10.4%
Arts, food & hospitality
7.9%
Finance & real estate
6.4%
Public administration
5.3%
Agriculture & mining
0.6%
Occupation
Category %
Management, business & arts 23.8%
Service 23.7%
Sales & office 21.9%
Natural resources & construction 10.4%
Production & transportation 20.2%
Employment type
Type %
Private sector 78.9%
Government 15.8%
Self-employed 5.2%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 83.9%
Carpool 6.9%
Public transit 0.8%
Walk 0.0%
Work from home 8.4%
Other means 0.0%
Avg commute (minutes) 28.1
Poverty
Married-couple families
5.8%
Female-led households
3.0%
Income support
Source % of households
Social Security 37.9%
Retirement income 31.0%
Supplemental Security 9.4%
Cash public assistance 0.0%
Food stamps / SNAP 16.5%
Health indicators
Condition %
Obesity 38.0%
High blood pressure 36.7%
High cholesterol 34.8%
Diabetes 9.9%
Heart disease 5.8%
Stroke 2.8%
Asthma 9.5%
Arthritis 26.2%
Kidney disease 2.6%
Pulmonary disease 6.2%
Cancer 6.8%
Behavior / access %
Smoking 17.0%
Binge drinking 15.8%
No physical activity 23.4%
Less than 7 hrs sleep 35.3%
Depression 19.7%
Fair or poor health 12.3%
Poor mental health 14.2%
Poor physical health 9.0%
No health insurance 9.2%
Visited doctor (checkup) 75.1%
Visited dentist 65.6%
Cholesterol screening 92.1%
Teeth loss 10.7%
Veterans & disability
Veterans Count %
Civilian veterans 678 15.8%
Disability %
Any disability 15.6%
Under 18 1.8%
18–64 years 11.9%
65 and over 43.5%
Health insurance coverage
Type %
Private insurance 69.2%
Public insurance 42.2%
No insurance 4.4%
Uninsured under 19 9.6%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 4,922 92.3%
Spanish 10 0.2%
Other Indo-European 10 0.2%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 5,260 98.6%
Born in same state 5,061 94.9%
Born in different state 3,052 57.2%
Foreign born 199 3.7%
Naturalized citizen 72 1.4%
Not a US citizen 60 83.3%
Ancestry
Ancestry Count %
French 1,219 22.9%
Italian 943 17.7%
Arab 380 7.1%
English 97 1.8%
Ancestry Count %
Polish 66 1.2%
German 55 1%
Irish 29 0.5%
Norwegian 16 0.3%
Technology access
Metric % of households
Computer access 39.3%
Internet access 96.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21903
What city is ZIP code 21903 in?
ZIP code 21903 is primarily assigned to Perryville, Maryland.
What county is ZIP code 21903 in?
ZIP code 21903 falls within Cecil County, Maryland.
Does ZIP code 21903 have a large veteran population?
16% of civilians in ZIP code 21903 are veterans, above the national average of ~7%.
Does ZIP code 21903 have a large retiree population?
38% of households in ZIP code 21903 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 21903?
ZIP code 21903 has an estimated population of 5,332 residents, with a density of 419 people per square mile.
What is the typical home value in ZIP code 21903?
The median home value in ZIP code 21903 is $285,600.
What timezone is ZIP code 21903 in?
ZIP code 21903 observes the EST timezone.
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