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Maryland ZIP Codes
Saint Marys County
Clements, MD
20624
20624 ZIP Code — Clements, MD
Saint Marys County, Maryland
ZIP code 20624 is located in
Clements ,
Maryland ,
within Saint Marys County .
It covers approximately 10.39 square miles and serves a population of
990 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 301 .
About ZIP code 20624
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $451,200. Owner-occupancy is high at 94%, well above the national average.
Median household income is $128,977. The poverty rate of 4% is below the national average.
The dominant occupation class is management, business, and professional, with construction as the leading industry. An above-average commute of 43 minutes suggests many residents work outside the immediate area.
College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 20624 reflects a community defined by a trades-oriented workforce and high homeownership.
20624 ZIP code map
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Cities in ZIP code 20624
Below are the cities the US Postal Service accepts for ZIP code 20624. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
990
Population density
95 / sq mi
State FIPS
24
County FIPS
037
Geography
Land area
10.39 sq mi
Water area
0.07 sq mi
Latitude
38.3326
Longitude
-76.7351
Timezone
Eastern (ET)
Area code
301
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
21.2%
24.3%
28.2%
$50k – $100k
25.3%
27.4%
28.2%
$100k – $200k
39.4%
36.2%
30.1%
Over $200k
14.1%
12.1%
13.4%
Demographics & statistics
$128,977
Median household income
$451,200
Median home value
15.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 206 20.8%
18 and over 784 79.2%
65 and over 161 16.3%
Median age 43.6 years
Race & ethnicity
Group Count %
White 980 99%
Two or more races 10 1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
21.2%
24.3%
28.2%
$50k – $100k
25.3%
27.4%
28.2%
$100k – $200k
39.4%
36.2%
30.1%
Over $200k
14.1%
12.1%
13.4%
Range % of households
Under $10k 5.3%
$10k–$15k 2.5%
$15k–$25k 5.3%
$35k–$50k 3.3%
$50k–$75k 5.8%
$75k–$100k 21.7%
$100k–$150k 15.6%
$150k–$200k 15.9%
$200k+ 24.5%
Median income $128,977
Housing
Housing overview
Metric Value
Median home value $451,200
Median rent / month $0
Owner occupied 93.6%
Renter occupied 6.4%
Vacant 2.4%
Single-family detached 95.4%
Large apartment buildings 0.0%
Mobile homes 4.6%
Median rooms 7.5
Avg household size (owned) 2.72
Year built
Era %
2020 or later 1.4%
2010–2019 13.6%
2000–2009 20.9%
1990–1999 29.1%
1980–1989 10.9%
1970–1979 5.2%
1960–1969 2.4%
1950–1959 9.2%
1940–1949 5.2%
1939 or earlier 2.2%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 2.4%
2 bedrooms 4.9%
3 bedrooms 59.2%
4 bedrooms 24.5%
5+ bedrooms 9.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 16.7%
2 vehicles 24.8%
3 or more 58.5%
Heating fuel
Fuel type %
Electricity 42.3%
Propane / LP gas 11.7%
Fuel oil 44.6%
Households & families
Household type Count %
Married-couple family 224 62.4%
Cohabiting couple 5 1.4%
Male householder, no spouse 50 13.9%
Female householder, no spouse 80 22.3%
Households with children under 18 131 36.5%
Households with seniors (65+) 124 34.5%
Average household size 2.76
Marital status
Status Male Female
Never married 25.7% 13.6%
Married 62.0% 60.9%
Separated 0.0% 0.0%
Widowed 7.4% 9.9%
Divorced 4.9% 15.6%
Education
Some college, no degree
26.1%
Graduate / professional
4.6%
Metric %
HS diploma or higher 94.7%
Bachelor's or higher 15.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 129 56.1%
High school 69 30.0%
College / grad school 32 13.9%
Employment
Industry of employment
Education & healthcare
18.9%
Professional & management
11.4%
Public administration
7.1%
Finance & real estate
5.1%
Arts, food & hospitality
4.3%
Transportation & utilities
3.1%
Agriculture & mining
1.7%
Occupation
Category %
Management, business & arts 39.6%
Service 6.8%
Sales & office 32.3%
Natural resources & construction 17.7%
Production & transportation 3.6%
Employment type
Type %
Private sector 83.4%
Government 11.8%
Self-employed 3.1%
Unpaid family workers 1.7%
Commute
Method %
Drive alone 83.1%
Carpool 9.9%
Public transit 0.0%
Walk 0.0%
Work from home 5.6%
Other means 1.3%
Avg commute (minutes) 42.7
Poverty
Married-couple families
0.0%
Female-led households
16.0%
Income support
Source % of households
Social Security 29.8%
Retirement income 26.5%
Supplemental Security 2.5%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 37.1%
High blood pressure 33.0%
High cholesterol 33.2%
Diabetes 9.2%
Heart disease 5.1%
Stroke 2.5%
Asthma 10.1%
Arthritis 24.2%
Kidney disease 2.4%
Pulmonary disease 5.8%
Cancer 5.7%
Behavior / access %
Smoking 18.0%
Binge drinking 16.5%
No physical activity 21.5%
Less than 7 hrs sleep 36.1%
Depression 18.1%
Fair or poor health 11.5%
Poor mental health 14.6%
Poor physical health 8.3%
No health insurance 9.9%
Visited doctor (checkup) 75.3%
Visited dentist 67.9%
Cholesterol screening 90.7%
Teeth loss 11.9%
Veterans & disability
Veterans Count %
Civilian veterans 35 4.5%
Disability %
Any disability 14.8%
Under 18 0.0%
18–64 years 11.9%
65 and over 45.3%
Health insurance coverage
Type %
Private insurance 91.3%
Public insurance 20.6%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 982 99.2%
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) 990 100.0%
Born in same state 990 100.0%
Born in different state 711 71.8%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
French 203 20.5%
Italian 63 6.4%
Ancestry Count %
Arab 48 4.8%
Technology access
Metric % of households
Computer access 36.3%
Internet access 92.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 20624
What city is ZIP code 20624 in?
ZIP code 20624 is primarily assigned to Clements, Maryland.
What county is ZIP code 20624 in?
ZIP code 20624 falls within Saint Marys County, Maryland.
Is ZIP code 20624 mostly owner-occupied?
94% of occupied units in ZIP code 20624 are owner-occupied, well above the national average.
What is the median household income in ZIP code 20624?
The median household income in ZIP code 20624 is $128,977, above the national median of ~$75,000.
What is the typical home value in ZIP code 20624?
The median home value in ZIP code 20624 is $451,200.
What is the population of ZIP code 20624?
ZIP code 20624 has an estimated population of 990 residents, with a density of 95 people per square mile.
What timezone is ZIP code 20624 in?
ZIP code 20624 observes the EST timezone.
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