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Maryland ZIP Codes
Baltimore County
Upper Falls, MD
21156
21156 ZIP Code — Upper Falls, MD
Baltimore County, Maryland
ZIP code 21156 is located in
Upper Falls ,
Maryland ,
within Baltimore County .
It covers approximately 1.05 square miles and serves a population of
362 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 410/443 .
About ZIP code 21156
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $461,400.
The gap between median ($129,583) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 47 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 44% of workers work from home.
Educational attainment is high — 61% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 21156 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.
21156 ZIP code map
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Cities in ZIP code 21156
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
362
Population density
345 / sq mi
State FIPS
24
County FIPS
005
Geography
Land area
1.05 sq mi
Water area
0.00 sq mi
Latitude
39.4364
Longitude
-76.3897
Timezone
Eastern (ET)
Area code
410/443
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
7.5%
31.4%
28.2%
$50k – $100k
15.6%
30.7%
28.2%
$100k – $200k
63.9%
28.5%
30.1%
Over $200k
12.9%
9.5%
13.4%
Demographics & statistics
$129,583
Median household income
$461,400
Median home value
61.0%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 124 34.3% 18 and over 238 65.7% 65 and over 24 6.6% Median age 34.4 years
Race & ethnicity
Group Count % White 324 83.1% Hispanic or Latino 28 7.2% Two or more races 28 7.2% Asian 10 2.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
7.5%
31.4%
28.2%
$50k – $100k
15.6%
30.7%
28.2%
$100k – $200k
63.9%
28.5%
30.1%
Over $200k
12.9%
9.5%
13.4%
Range % of households $75k–$100k 11.8% $100k–$150k 40.0% $150k–$200k 14.5% $200k+ 33.6% Median income $129,583
Housing
Housing overview
Metric Value Median home value $461,400 Median rent / month $0 Owner occupied 100.0% Renter occupied 0.0% Vacant 0.0% Single-family detached 100.0% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 7.5 Avg household size (owned) 3.29
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 0.0% 1990–1999 14.5% 1980–1989 0.0% 1970–1979 22.7% 1960–1969 0.0% 1950–1959 40.0% 1940–1949 10.9% 1939 or earlier 11.8%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 10.9% 2 bedrooms 0.0% 3 bedrooms 65.5% 4 bedrooms 11.8% 5+ bedrooms 11.8%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 10.9% 2 vehicles 52.7% 3 or more 36.4%
Heating fuel
Fuel type % Electricity 10.9% Fuel oil 89.1%
Households & families
Household type Count % Married-couple family 85 77.3% Cohabiting couple 0 0.0% Male householder, no spouse 12 10.9% Female householder, no spouse 13 11.8% Households with children under 18 57 51.8% Households with seniors (65+) 24 21.8% Average household size 3.29
Marital status
Status Male Female Never married 12.6% 35.5% Married 87.4% 56.1% Separated 0.0% 0.0% Widowed 0.0% 8.4% Divorced 0.0% 0.0%
Education
Some college, no degree
31.9%
Graduate / professional
31.9%
Metric % HS diploma or higher 100.0% Bachelor's or higher 61.0%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 30 44.8% Kindergarten 0 0.0% Elementary school 15 22.4% High school 12 17.9% College / grad school 10 14.9%
Employment
Industry of employment
Education & healthcare
31.9%
Professional & management
19.0%
Public administration
10.6%
Arts, food & hospitality
6.6%
Finance & real estate
5.8%
Transportation & utilities
5.3%
Occupation
Category % Management, business & arts 56.2% Service 11.9% Sales & office 19.9% Natural resources & construction 0.0% Production & transportation 11.9%
Employment type
Type % Private sector 41.6% Government 39.8% Self-employed 18.6% Unpaid family workers 0.0%
Commute
Method % Drive alone 55.6% Carpool 0.0% Public transit 0.0% Walk 0.0% Work from home 44.4% Other means 0.0% Avg commute (minutes) 46.9
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 21.8% Retirement income 66.4% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 0.0%
Health indicators
Condition % Obesity 28.3% High blood pressure 34.1% High cholesterol 36.2% Diabetes 8.4% Heart disease 5.9% Stroke 2.6% Asthma 9.0% Arthritis 26.9% Kidney disease 2.7% Pulmonary disease 5.4% Cancer 8.4%
Behavior / access % Smoking 12.0% Binge drinking 15.8% No physical activity 18.5% Less than 7 hrs sleep 29.0% Depression 18.4% Fair or poor health 10.3% Poor mental health 12.6% Poor physical health 7.7% No health insurance 7.4% Visited doctor (checkup) 77.1% Visited dentist 72.7% Cholesterol screening 94.7% Teeth loss 7.3%
Veterans & disability
Veterans Count % Civilian veterans 12 5.0%
Disability % Any disability 3.3% Under 18 0.0% 18–64 years 5.6% 65 and over 0.0%
Health insurance coverage
Type % Private insurance 92.5% Public insurance 10.8% No insurance 0.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 265 73.2% Spanish 0 0.0% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 362 100.0% Born in same state 362 100.0% Born in different state 255 70.4% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Italian 175 48.3%
Ancestry Count % French 99 27.3%
Technology access
Metric % of households Computer access 30.4% Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21156
What city is ZIP code 21156 in?
ZIP code 21156 is primarily assigned to Upper Falls, Maryland.
What county is ZIP code 21156 in?
ZIP code 21156 falls within Baltimore County, Maryland.
Is ZIP code 21156 family-oriented?
34% of residents in ZIP code 21156 are under 18, reflecting a younger, family-oriented community.
How educated is the population of ZIP code 21156?
61% 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 21156?
The median household income in ZIP code 21156 is $129,583, above the national median of ~$75,000.
What is the typical home value in ZIP code 21156?
The median home value in ZIP code 21156 is $461,400.
What timezone is ZIP code 21156 in?
ZIP code 21156 observes the EST timezone.
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