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Maryland ZIP Codes
Dorchester County
Woolford, MD
21677
21677 ZIP Code — Woolford, MD
Dorchester County, Maryland
ZIP code 21677 is located in
Woolford ,
Maryland ,
within Dorchester County .
It covers approximately 13.10 square miles and serves a population of
598 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 667 .
About ZIP code 21677
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $433,300. Owner-occupancy is high at 80%, well above the national average.
Median household income is $100,481. Poverty affects 31% of residents, above the national average. SNAP benefit usage at 20% of households reflects economic stress in the area. 43% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with arts, entertainment, and food service as the leading industry. An above-average commute of 54 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.
Overall, ZIP code 21677 reflects a community defined by economic challenges above the national average, a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.
21677 ZIP code map
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Cities in ZIP code 21677
Below are the cities the US Postal Service accepts for ZIP code 21677. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
598
Population density
46 / sq mi
State FIPS
24
County FIPS
019
Geography
Land area
13.10 sq mi
Water area
1.43 sq mi
Latitude
38.5123
Longitude
-76.1810
Timezone
Eastern (ET)
Area code
667
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
27.9%
48.7%
28.2%
$50k – $100k
51.3%
30.4%
28.2%
$100k – $200k
15.5%
17.3%
30.1%
Over $200k
5.3%
3.7%
13.4%
Demographics & statistics
$100,481
Median household income
$433,300
Median home value
$1,427
Median monthly rent
27.2%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 148 24.7% 18 and over 450 75.3% 65 and over 161 26.9% Median age 48.2 years
Race & ethnicity
Black or African American
0.5%
Group Count % White 594 99.3% Black or African American 3 0.5% Two or more races 1 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
27.9%
48.7%
28.2%
$50k – $100k
51.3%
30.4%
28.2%
$100k – $200k
15.5%
17.3%
30.1%
Over $200k
5.3%
3.7%
13.4%
Range % of households Under $10k 3.0% $15k–$25k 3.0% $25k–$35k 16.3% $35k–$50k 5.9% $50k–$75k 20.7% $100k–$150k 25.6% $150k–$200k 17.7% $200k+ 7.9% Median income $100,481
Housing
Housing overview
Metric Value Median home value $433,300 Median rent / month $1,427 Owner occupied 79.8% Renter occupied 20.2% Vacant 18.8% Single-family detached 86.0% Large apartment buildings 0.0% Mobile homes 14.0% Median rooms 7.2 Avg household size (owned) 2.36
Year built
Era % 2020 or later 0.0% 2010–2019 10.8% 2000–2009 18.4% 1990–1999 11.6% 1980–1989 19.2% 1970–1979 12.4% 1960–1969 13.2% 1950–1959 0.0% 1940–1949 4.8% 1939 or earlier 9.6%
Bedrooms
Size % of units No bedroom (studio) 2.4% 1 bedroom 1.6% 2 bedrooms 7.6% 3 bedrooms 50.8% 4 bedrooms 24.8% 5+ bedrooms 12.8%
Vehicles per household
Vehicles % of households No vehicle 3.0% 1 vehicle 13.3% 2 vehicles 66.0% 3 or more 17.7%
Heating fuel
Fuel type % Electricity 71.9% Propane / LP gas 9.4% Fuel oil 12.8% Wood 3.0% Solar 3.0%
Households & families
Household type Count % Married-couple family 165 81.3% Cohabiting couple 0 0.0% Male householder, no spouse 16 7.9% Female householder, no spouse 22 10.8% Households with children under 18 58 28.6% Households with seniors (65+) 88 43.3% Average household size 2.92
Marital status
Status Male Female Never married 36.0% 16.5% Married 60.4% 72.5% Separated 0.0% 3.8% Widowed 2.2% 7.2% Divorced 1.4% 0.0%
Education
Some college, no degree
26.5%
Graduate / professional
14.2%
Metric % HS diploma or higher 99.3% Bachelor's or higher 27.2%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 0 0.0% Elementary school 63 47.4% High school 67 50.4% College / grad school 3 2.3%
Employment
Industry of employment
Arts, food & hospitality
27.1%
Education & healthcare
14.8%
Public administration
11.4%
Professional & management
6.4%
Agriculture & mining
5.5%
Finance & real estate
1.7%
Occupation
Category % Management, business & arts 28.8% Service 28.4% Sales & office 31.4% Natural resources & construction 7.6% Production & transportation 3.8%
Employment type
Type % Private sector 71.2% Government 22.5% Self-employed 6.4% Unpaid family workers 0.0%
Commute
Method % Drive alone 87.9% Carpool 2.6% Public transit 0.0% Walk 6.5% Work from home 3.0% Other means 0.0% Avg commute (minutes) 54.0
Poverty
Married-couple families
12.7%
Female-led households
36.4%
Income support
Source % of households Social Security 43.3% Retirement income 51.7% Supplemental Security 2.0% Cash public assistance 0.0% Food stamps / SNAP 20.2%
Health indicators
Condition % Obesity 34.7% High blood pressure 40.2% High cholesterol 37.8% Diabetes 12.5% Heart disease 7.8% Stroke 3.5% Asthma 9.4% Arthritis 30.6% Kidney disease 3.3% Pulmonary disease 7.6% Cancer 9.2%
Behavior / access % Smoking 14.4% Binge drinking 13.5% No physical activity 22.7% Less than 7 hrs sleep 29.7% Depression 18.9% Fair or poor health 13.1% Poor mental health 12.5% Poor physical health 9.2% No health insurance 9.1% Visited doctor (checkup) 81.3% Visited dentist 67.6% Cholesterol screening 93.6% Teeth loss 10.0%
Veterans & disability
Veterans Count % Civilian veterans 64 14.2%
Disability % Any disability 11.8% Under 18 3.4% 18–64 years 15.7% 65 and over 12.4%
Health insurance coverage
Type % Private insurance 56.9% Public insurance 67.4% No insurance 1.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 577 96.5% 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) 598 100.0% Born in same state 598 100.0% Born in different state 447 74.7% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Italian 109 18.2% French 94 15.7%
Ancestry Count % Arab 72 12% Polish 15 2.5%
Technology access
Metric % of households Computer access 33.9% Internet access 94.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21677
What city is ZIP code 21677 in?
ZIP code 21677 is primarily assigned to Woolford, Maryland.
What county is ZIP code 21677 in?
ZIP code 21677 falls within Dorchester County, Maryland.
What is the poverty rate in ZIP code 21677?
31% of residents in ZIP code 21677 live below the poverty line, above the national average.
Does ZIP code 21677 have an older population?
27% of residents in ZIP code 21677 are 65 or older, above the national average of ~17%.
Does ZIP code 21677 have a large retiree population?
43% of households in ZIP code 21677 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 21677 have a large veteran population?
14% of civilians in ZIP code 21677 are veterans, above the national average of ~7%.
What timezone is ZIP code 21677 in?
ZIP code 21677 observes the EST timezone.
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