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Maryland ZIP Codes
Harford County
Fallston, MD
21047
21047 ZIP Code — Fallston, MD
Harford County, Maryland
ZIP code 21047 is located in
Fallston ,
Maryland ,
within Harford County .
It covers approximately 22.55 square miles and serves a population of
13,419 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 443/410 .
About ZIP code 21047
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $467,400. Owner-occupancy is high at 97%, well above the national average.
Median household income is $150,593. The poverty rate of 4% is below the national average. 34% 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. An above-average commute of 46 minutes suggests many residents work outside the immediate area.
Educational attainment is high — 52% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 21047 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.
21047 ZIP code map
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Cities in ZIP code 21047
Below are the cities the US Postal Service accepts for ZIP code 21047. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
13,419
Population density
595 / sq mi
State FIPS
24
County FIPS
025
Geography
Land area
22.55 sq mi
Water area
0.06 sq mi
Latitude
39.5332
Longitude
-76.4390
Timezone
Eastern (ET)
Area code
443/410
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
14.7%
25.4%
28.2%
$50k – $100k
23.8%
28.0%
28.2%
$100k – $200k
37.1%
34.2%
30.1%
Over $200k
24.5%
12.4%
13.4%
Demographics & statistics
$150,593
Median household income
$467,400
Median home value
$2,287
Median monthly rent
51.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 2,865 21.4%
18 and over 10,554 78.6%
65 and over 2,791 20.8%
Median age 45.1 years
Race & ethnicity
Black or African American
2%
Group Count %
White 11,619 82.6%
Two or more races 770 5.5%
Asian 732 5.2%
Hispanic or Latino 644 4.6%
Black or African American 278 2%
Other race 20 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
14.7%
25.4%
28.2%
$50k – $100k
23.8%
28.0%
28.2%
$100k – $200k
37.1%
34.2%
30.1%
Over $200k
24.5%
12.4%
13.4%
Range % of households
Under $10k 3.7%
$15k–$25k 2.8%
$25k–$35k 1.0%
$35k–$50k 3.3%
$50k–$75k 6.6%
$75k–$100k 12.0%
$100k–$150k 20.3%
$150k–$200k 18.3%
$200k+ 32.0%
Median income $150,593
Housing
Housing overview
Metric Value
Median home value $467,400
Median rent / month $2,287
Owner occupied 96.7%
Renter occupied 3.3%
Vacant 1.9%
Single-family detached 94.2%
Large apartment buildings 0.3%
Mobile homes 0.0%
Median rooms 8.4
Avg household size (owned) 2.81
Year built
Era %
2020 or later 0.6%
2010–2019 8.3%
2000–2009 14.2%
1990–1999 9.4%
1980–1989 7.8%
1970–1979 30.6%
1960–1969 20.8%
1950–1959 3.7%
1940–1949 3.2%
1939 or earlier 1.5%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 2.7%
3 bedrooms 36.1%
4 bedrooms 46.5%
5+ bedrooms 14.7%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 13.8%
2 vehicles 44.6%
3 or more 41.6%
Heating fuel
Fuel type %
Utility gas 23.4%
Electricity 28.0%
Propane / LP gas 13.4%
Fuel oil 31.4%
Wood 2.1%
No fuel used 0.7%
Households & families
Household type Count %
Married-couple family 3,425 72.1%
Cohabiting couple 209 4.4%
Male householder, no spouse 437 9.2%
Female householder, no spouse 677 14.3%
Households with children under 18 1,576 33.2%
Households with seniors (65+) 1,803 38.0%
Average household size 2.82
Marital status
Status Male Female
Never married 22.4% 23.2%
Married 67.8% 60.5%
Separated 1.8% 1.0%
Widowed 1.6% 5.9%
Divorced 6.4% 9.4%
Education
Some college, no degree
16.7%
Graduate / professional
22.9%
Metric %
HS diploma or higher 96.9%
Bachelor's or higher 51.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 399 11.8%
Kindergarten 114 3.4%
Elementary school 1,278 37.9%
High school 746 22.1%
College / grad school 838 24.8%
Employment
Industry of employment
Education & healthcare
21.0%
Professional & management
15.2%
Public administration
9.6%
Finance & real estate
8.7%
Arts, food & hospitality
6.1%
Transportation & utilities
3.8%
Agriculture & mining
1.7%
Occupation
Category %
Management, business & arts 59.1%
Service 9.0%
Sales & office 18.8%
Natural resources & construction 7.6%
Production & transportation 5.5%
Employment type
Type %
Private sector 73.8%
Government 21.3%
Self-employed 4.9%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 78.2%
Carpool 5.3%
Public transit 1.5%
Walk 0.9%
Work from home 14.0%
Other means 0.1%
Avg commute (minutes) 45.8
Poverty
Married-couple families
2.1%
Female-led households
0.0%
Income support
Source % of households
Social Security 34.4%
Retirement income 32.0%
Supplemental Security 1.1%
Cash public assistance 1.8%
Food stamps / SNAP 2.0%
Health indicators
Condition %
Obesity 30.4%
High blood pressure 35.0%
High cholesterol 35.9%
Diabetes 8.9%
Heart disease 5.9%
Stroke 2.5%
Asthma 9.1%
Arthritis 24.7%
Kidney disease 2.5%
Pulmonary disease 5.7%
Cancer 7.7%
Behavior / access %
Smoking 12.9%
Binge drinking 15.0%
No physical activity 17.8%
Less than 7 hrs sleep 29.6%
Depression 17.8%
Fair or poor health 9.9%
Poor mental health 12.1%
Poor physical health 7.7%
No health insurance 7.5%
Visited doctor (checkup) 78.6%
Visited dentist 72.9%
Cholesterol screening 93.8%
Teeth loss 7.7%
Veterans & disability
Veterans Count %
Civilian veterans 638 6.1%
Disability %
Any disability 8.8%
Under 18 1.6%
18–64 years 4.7%
65 and over 27.8%
Health insurance coverage
Type %
Private insurance 88.8%
Public insurance 24.9%
No insurance 2.0%
Uninsured under 19 3.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 12,703 94.7%
Spanish 127 1.0%
Other Indo-European 48 0.4%
Asian & Pacific Islander 0 0.0%
Other languages 79 0.6%
Place of birth & citizenship
Origin Count %
Native born (US) 12,876 96.0%
Born in same state 12,691 94.6%
Born in different state 8,687 64.7%
Foreign born 185 1.4%
Naturalized citizen 543 4.0%
Not a US citizen 380 70.0%
Ancestry
Ancestry Count %
Italian 1,809 13.5%
French 1,424 10.6%
Arab 642 4.8%
English 87 0.6%
Irish 57 0.4%
Ancestry Count %
Polish 37 0.3%
Norwegian 34 0.3%
Dutch 8 0.1%
German 1 0%
Technology access
Metric % of households
Computer access 35.4%
Internet access 96.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21047
What city is ZIP code 21047 in?
ZIP code 21047 is primarily assigned to Fallston, Maryland.
What county is ZIP code 21047 in?
ZIP code 21047 falls within Harford County, Maryland.
Is ZIP code 21047 mostly owner-occupied?
97% of occupied units in ZIP code 21047 are owner-occupied, well above the national average.
How educated is the population of ZIP code 21047?
52% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the median household income in ZIP code 21047?
The median household income in ZIP code 21047 is $150,593, above the national median of ~$75,000.
What is the typical home value in ZIP code 21047?
The median home value in ZIP code 21047 is $467,400.
What timezone is ZIP code 21047 in?
ZIP code 21047 observes the EST timezone.
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