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Maryland ZIP Codes
Saint Marys County
Park Hall, MD
20667
20667 ZIP Code — Park Hall, MD
Saint Marys County, Maryland
ZIP code 20667 is located in
Park Hall ,
Maryland ,
within Saint Marys County .
It covers approximately 2.39 square miles and serves a population of
159 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 240/301 .
20667 ZIP code map
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Cities in ZIP code 20667
Below are the cities the US Postal Service accepts for ZIP code 20667. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
159
Population density
67 / sq mi
State FIPS
24
County FIPS
037
Geography
Land area
2.39 sq mi
Water area
0.46 sq mi
Latitude
38.2166
Longitude
-76.4420
Timezone
Eastern (ET)
Area code
240/301
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.8%
24.3%
28.2%
$50k – $100k
36.9%
27.4%
28.2%
$100k – $200k
25.8%
36.2%
30.1%
Over $200k
7.5%
12.1%
13.4%
Demographics & statistics
$0
Median household income
67.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 14 8.8%
18 and over 145 91.2%
65 and over 47 29.6%
Median age 64.3 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
29.8%
24.3%
28.2%
$50k – $100k
36.9%
27.4%
28.2%
$100k – $200k
25.8%
36.2%
30.1%
Over $200k
7.5%
12.1%
13.4%
Range % of households
$50k–$75k 58.0%
$100k–$150k 16.0%
$200k+ 25.9%
Median income $0
Housing
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 84.0%
Renter occupied 16.0%
Vacant 61.1%
Single-family detached 71.6%
Large apartment buildings 0.0%
Mobile homes 28.4%
Median rooms 5.5
Avg household size (owned) 2.15
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 28.4%
1980–1989 32.7%
1970–1979 0.0%
1960–1969 6.3%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 32.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 0.0%
3 bedrooms 100.0%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 16.0%
2 vehicles 58.0%
3 or more 25.9%
Heating fuel
Fuel type %
Electricity 84.0%
Fuel oil 16.0%
Households & families
Household type Count %
Married-couple family 21 25.9%
Cohabiting couple 0 0.0%
Male householder, no spouse 13 16.0%
Female householder, no spouse 47 58.0%
Households with children under 18 21 25.9%
Households with seniors (65+) 47 58.0%
Average household size 1.96
Marital status
Status Male Female
Never married 0.0% 42.3%
Married 100.0% 15.3%
Separated 0.0% 0.0%
Widowed 0.0% 0.0%
Divorced 0.0% 42.3%
Education
Some college, no degree
32.4%
Graduate / professional
26.2%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 67.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Professional & management
55.3%
Public administration
44.7%
Occupation
Category %
Management, business & arts 44.7%
Service 0.0%
Sales & office 55.3%
Natural resources & construction 0.0%
Production & transportation 0.0%
Employment type
Type %
Private sector 55.3%
Government 44.7%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 38.8%
Carpool 13.3%
Public transit 0.0%
Walk 0.0%
Work from home 48.0%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 0.0%
Retirement income 58.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 39.1%
High blood pressure 38.5%
High cholesterol 36.7%
Diabetes 11.9%
Heart disease 5.9%
Stroke 3.1%
Asthma 10.4%
Arthritis 27.2%
Kidney disease 2.9%
Pulmonary disease 6.1%
Cancer 6.5%
Behavior / access %
Smoking 16.1%
Binge drinking 14.3%
No physical activity 22.6%
Less than 7 hrs sleep 37.4%
Depression 16.4%
Fair or poor health 13.0%
Poor mental health 13.6%
Poor physical health 8.9%
No health insurance 9.5%
Visited doctor (checkup) 78.7%
Visited dentist 67.8%
Cholesterol screening 92.6%
Teeth loss 11.9%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 0.0%
Under 18 0.0%
18–64 years 0.0%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 100.0%
Public insurance 32.2%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 145 91.2%
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) 159 100.0%
Born in same state 159 100.0%
Born in different state 61 38.4%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Irish 47 29.6%
Ancestry Count %
Italian 13 8.2%
Technology access
Metric % of households
Computer access 50.9%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 20667
What city is ZIP code 20667 in?
ZIP code 20667 is primarily assigned to Park Hall, Maryland.
What county is ZIP code 20667 in?
ZIP code 20667 falls within Saint Marys County, Maryland.
How educated is the population of ZIP code 20667?
68% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 20667 have an older population?
30% of residents in ZIP code 20667 are 65 or older, above the national average of ~17%.
Is ZIP code 20667 mostly owner-occupied?
84% of occupied units in ZIP code 20667 are owner-occupied, well above the national average.
What is the population of ZIP code 20667?
ZIP code 20667 has an estimated population of 159 residents, with a density of 67 people per square mile.
What timezone is ZIP code 20667 in?
ZIP code 20667 observes the EST timezone.
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