ZipCodeLook
20628

Zip code 20628: Dameron, Maryland

Residential delivery areaSt. Mary's CountyEastern Time
Population
503
Median household income
—
U.S. $81K
Median home value
$546K
U.S. $333K
Median rent
—
U.S. $1,413
Median age
35.9
U.S. 38.9
Land area
6.5 sq mi
78 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 20628

20628 is a small-town zip code in Dameron, Maryland (St. Mary's County), covering 6.5 sq mi of land. About 503 people live here, or 78 per square mile. The median resident is 35.9 years old, compared with 38.9 nationally.

4.6% of residents live below the poverty line (U.S.: 12.5%). The median home value is $545,800. 83% of occupied homes are lived in by their owners.

53% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 23.7 minutes each way, and 8% of workers work from home. The most common jobs among working residents are in engineering and science; management; and office and administrative support.

How 20628 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
35.9
Under 18
23.5%
65 and over
30.4%

Race and ethnicity

  • White76%
  • Black0%
  • Hispanic22%
  • Asian0%
  • Native American0%
  • Pacific Islander0%
  • Other0%
  • Multiracial2%
Diversity index
37.1
U.S. 61.4
Foreign-born
4.8%
U.S. 14.1%
Born in state
56.3%

Language spoken at home (households)

English only
83%
Spanish
17%
Other Indo-European
0%
Asian / Pacific
0%
Other
0%

Households

Households
199
Average household size
2.5
Family households
82.9%
Married couples
73.9%
Living alone
0%
Veterans (of adults)
34.5%
Male / female
50% / 50%

Income and poverty

Household income distribution

<$25k
0%
$25–50k
9%
$50–75k
0%
$75–100k
17%
$100–150k
25%
$150–200k
29%
$200k+
20%

Median household income

20628
—
St. Mary's Co.
$119,446
Maryland
$103,678
United States
$80,734
Per capita income
$60,310
U.S. $44,673
Poverty rate
4.6%
U.S. 12.5%
Households earning $150K+
48.7%
U.S. 23%
Income inequality (Gini)
0.259
U.S. 0.483

Housing

Median home value

20628
$545,800
St. Mary's Co.
$407,600
Maryland
$419,900
United States
$332,700

Median gross rent

20628
—
St. Mary's Co.
$1,747
Maryland
$1,705
United States
$1,413

Types of housing

Single-family
100%
2–4 units
0%
5–19 units
0%
20+ units
0%
Mobile home
0%
Boat, RV, van
0%
Housing units
268
Owner-occupied
82.9%
Vacant
25.7%
Median year built
1977
Median rooms
5.8
Renters paying 30%+ of income
0%
Renters paying 50%+ of income
0%
Home value to income
—

Work and commute

How people get to work

Drove alone
92%
Carpooled
0%
Transit
0%
Walked
0%
Bicycle
0%
Worked from home
8%
Other
0%

Commute time (one way)

<10 min
0%
10–19
22%
20–29
34%
30–44
44%
45–59
0%
60+
0%
Average commute
23.7 min
U.S. 26.4 min
Unemployment
9.1%
U.S. 5.2%
In labor force
62.4%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Engineering and science
25%
Management
19%
Office and admin
13%
Transportation and moving
10%
Food service
9%
Business and finance
7%
Computer and math
7%
Production
7%
Healthcare
4%
Education
0%
Legal and social services
0%
Arts, media and sports
0%
Police and fire
0%
Cleaning and personal care
0%
Sales
0%
Construction and repair
0%
Farming, fishing and forestry
0%

Industries

Public administration
28%
Professional and technical services
22%
Transportation, warehousing and utilities
13%
Retail
10%
Restaurants and hotels
9%
Health care and social assistance
8%
Admin, support and management
7%
Education
4%
Manufacturing
0%
Construction
0%
Finance, insurance and real estate
0%
Other services
0%
Wholesale
0%
Information
0%
Arts and recreation
0%
Agriculture and mining
0%
Median earnings per worker
$84,861
U.S. $49,666
Self-employed
0%
U.S. 10%
Government workers
51.9%
U.S. 14.5%
Nonprofit workers
8.2%
U.S. 8.8%

Median earnings by type of work

Type of work20628U.S.
Management, business, science and arts$86,677$74,888
Service—$26,804
Sales and office—$40,476
Construction and maintenance—$49,199
Production and transportation—$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
0%
High school
11%
Some college
36%
Associate's
0%
Bachelor's
37%
Graduate
15%
High school graduate or higher
100%
Bachelor's degree or higher
52.5%
Graduate or professional degree
15.2%
Households with broadband
100%
Cable, fiber or DSL
73.9%
No internet access
0%
Without health insurance
0%
Limited-English households
0%

Geography

City (USPS)
Dameron
Center point
38.1530° N, 76.3399° W
Land area
6.5 sq mi
Water area
6 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Zip codes near 20628

ZipCityDistanceIncome
20680Ridge3.9 mi—
20684Saint Inigoes4.8 mi$180,060
20686Saint Marys City5.6 mi—
20687Scotland6.2 mi—
20630Drayden6.7 mi$233,411
20667Park Hall7.3 mi—
20653Lexington Park7.6 mi$103,048
20692Valley Lee8.9 mi$201,250
20670Patuxent River9.8 mi$70,371
20674Piney Point11 mi$171,985
20690Tall Timbers11 mi$122,750
20634Great Mills11 mi$139,375

Questions about 20628

What city is zip code 20628?

20628 is assigned to Dameron, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 20628 in?

20628 is in St. Mary's County, Maryland.

What is the population of 20628?

About 503 people live in 20628, according to the Census Bureau's American Community Survey.

What time zone is 20628 in?

20628 is in Eastern Time.

What zip codes are near 20628?

The closest zip codes to 20628 are 20680, 20684, 20686, 20687, 20630.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20628, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.