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Maryland ZIP Codes
Montgomery County
Glen Echo, MD
20812
20812 ZIP Code — Glen Echo, MD
Montgomery County, Maryland
ZIP code 20812 is located in
Glen Echo ,
Maryland ,
within Montgomery County .
It covers approximately 0.18 square miles and serves a population of
282 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 240/301 .
About ZIP code 20812
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $962,800. Owner-occupancy is high at 91%, well above the national average.
The gap between median ($194,375) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 37% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 31 minutes is near the national average. Remote work is prevalent — 39% of workers work from home.
Educational attainment is high — 84% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 20812 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.
20812 ZIP code map
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Cities in ZIP code 20812
Below are the cities the US Postal Service accepts for ZIP code 20812. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
282
Population density
1,567 / sq mi
State FIPS
24
County FIPS
031
Geography
Land area
0.18 sq mi
Water area
0.14 sq mi
Latitude
38.9684
Longitude
-77.1424
Timezone
Eastern (ET)
Area code
240/301
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
3.7%
20.6%
28.2%
$50k – $100k
24.8%
24.2%
28.2%
$100k – $200k
33.9%
31.9%
30.1%
Over $200k
37.6%
23.3%
13.4%
Demographics & statistics
$194,375
Median household income
$962,800
Median home value
$2,750
Median monthly rent
83.7%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 62 22.0% 18 and over 220 78.0% 65 and over 84 29.8% Median age 49.9 years
Race & ethnicity
Black or African American
0.6%
Group Count % White 240 76.7% Two or more races 33 10.5% Hispanic or Latino 31 9.9% Other race 4 1.3% Asian 3 1% Black or African American 2 0.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
3.7%
20.6%
28.2%
$50k – $100k
24.8%
24.2%
28.2%
$100k – $200k
33.9%
31.9%
30.1%
Over $200k
37.6%
23.3%
13.4%
Range % of households Under $10k 1.9% $50k–$75k 10.7% $75k–$100k 12.6% $100k–$150k 18.4% $150k–$200k 8.7% $200k+ 47.6% Median income $194,375
Housing
Housing overview
Metric Value Median home value $962,800 Median rent / month $2,750 Owner occupied 91.3% Renter occupied 8.7% Vacant 8.8% Single-family detached 98.2% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 7.8 Avg household size (owned) 2.80
Year built
Era % 2020 or later 0.0% 2010–2019 3.5% 2000–2009 0.9% 1990–1999 1.8% 1980–1989 4.4% 1970–1979 6.2% 1960–1969 2.7% 1950–1959 19.5% 1940–1949 11.5% 1939 or earlier 49.6%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 0.9% 2 bedrooms 12.4% 3 bedrooms 33.6% 4 bedrooms 45.1% 5+ bedrooms 8.0%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 14.6% 2 vehicles 71.8% 3 or more 13.6%
Heating fuel
Fuel type % Utility gas 46.6% Electricity 38.8% Propane / LP gas 1.0% Fuel oil 13.6%
Households & families
Household type Count % Married-couple family 79 76.7% Cohabiting couple 1 1.0% Male householder, no spouse 14 13.6% Female householder, no spouse 9 8.7% Households with children under 18 32 31.1% Households with seniors (65+) 53 51.5% Average household size 2.74
Marital status
Status Male Female Never married 15.7% 24.2% Married 70.4% 66.9% Separated 0.0% 1.6% Widowed 1.9% 4.0% Divorced 12.0% 3.2%
Education
Some college, no degree
2.0%
Graduate / professional
46.8%
Metric % HS diploma or higher 97.5% Bachelor's or higher 83.7%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 7 10.8% Kindergarten 2 3.1% Elementary school 36 55.4% High school 16 24.6% College / grad school 4 6.2%
Employment
Industry of employment
Professional & management
34.3%
Education & healthcare
15.3%
Public administration
13.9%
Finance & real estate
11.7%
Occupation
Category % Management, business & arts 83.2% Service 3.6% Sales & office 10.2% Natural resources & construction 2.9% Production & transportation 0.0%
Employment type
Type % Private sector 66.4% Government 20.4% Self-employed 13.1% Unpaid family workers 0.0%
Commute
Method % Drive alone 52.3% Carpool 3.9% Public transit 3.9% Walk 0.8% Work from home 39.1% Other means 0.0% Avg commute (minutes) 31.2
Poverty
Married-couple families
0.0%
Female-led households
33.3%
Income support
Source % of households Social Security 36.9% Retirement income 28.2% Supplemental Security 11.7% Cash public assistance 0.0% Food stamps / SNAP 1.0%
Health indicators
Condition % Obesity 18.6% High blood pressure 25.2% High cholesterol 34.5% Diabetes 5.9% Heart disease 4.2% Stroke 1.7% Asthma 7.7% Arthritis 18.7% Kidney disease 2.1% Pulmonary disease 3.2% Cancer 7.2%
Behavior / access % Smoking 5.7% Binge drinking 14.1% No physical activity 10.2% Less than 7 hrs sleep 24.8% Depression 16.1% Fair or poor health 5.6% Poor mental health 9.6% Poor physical health 5.0% No health insurance 5.4% Visited doctor (checkup) 73.2% Visited dentist 80.4% Cholesterol screening 95.7% Teeth loss 3.4%
Veterans & disability
Veterans Count % Civilian veterans 10 4.5%
Disability % Any disability 8.9% Under 18 1.6% 18–64 years 6.6% 65 and over 17.9%
Health insurance coverage
Type % Private insurance 90.4% Public insurance 25.9% No insurance 1.4% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 275 97.5% Spanish 8 2.9% Other Indo-European 7 2.5% Asian & Pacific Islander 1 0.4% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 264 93.6% Born in same state 261 92.6% Born in different state 54 19.1% Foreign born 3 1.1% Naturalized citizen 18 6.4% Not a US citizen 13 72.2%
Ancestry
Ancestry Count % French 62 22% Italian 36 12.8% Arab 10 3.5%
Ancestry Count % Dutch 4 1.4% Polish 3 1.1% Irish 2 0.7%
Technology access
Metric % of households Computer access 36.5% Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 20812
What city is ZIP code 20812 in?
ZIP code 20812 is primarily assigned to Glen Echo, Maryland.
What county is ZIP code 20812 in?
ZIP code 20812 falls within Montgomery County, Maryland.
How educated is the population of ZIP code 20812?
84% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 20812 have an older population?
30% of residents in ZIP code 20812 are 65 or older, above the national average of ~17%.
Is ZIP code 20812 mostly owner-occupied?
91% of occupied units in ZIP code 20812 are owner-occupied, well above the national average.
Does ZIP code 20812 have a large retiree population?
37% of households in ZIP code 20812 receive Social Security income, suggesting a significant retiree or disability population.
What timezone is ZIP code 20812 in?
ZIP code 20812 observes the EST timezone.
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