Dameron, MD · standard

ZIP Code 20628

St. Mary's County, Maryland — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

594
35/sq mi
$545,800
Median home value
52.5%
Bachelor's or higher

The verdict

Dameron pairs upper-quartile home values, in a rural, homeowner-dominated area.

Top 11%
home value, US ZIPs
35
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20628 against every reporting US ZIP.

ZIP code 20628 is classified by USPS as a standard delivery area and covers roughly 17.2 square miles in Dameron, St. Mary's County, Maryland. The area is home to 594 residents, producing a population density of 35 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 20628 against Maryland and the nation.

On the economic side, the median household income for ZIP 20628 sits at , while per-capita income is $60,310. The poverty rate stands at 4.6% and the unemployment rate at 9.1%. On housing, the median home value is $545,800 (22% above the state average) with median rent at per month, and 82.9% of occupied units are owner-occupied, a direct signal of whether 20628 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 52.5% of adults hold a bachelor's degree or higher, the median age is 35.9, and the average commute is . We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Mary's County, so you can benchmark 20628 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 20628, Dameron, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

594

Population

17.2

Area (sq mi)

35

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 20628?

35.9

Median Age

50.3%

Male

49.7%

Female

4.8%

Foreign-Born

White 76.1%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 23.9%
Hispanic or Latino 22.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$60,310

Per Capita Income

4.6%

Poverty Rate

9.1%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.8%
Bachelor's Degree or Higher 52.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

268

Total Housing Units

199

Occupied Units

69

Vacant Units

2.53

Avg Household Size

Occupancy Type

Owner 82.9%
Renter 17.1%

$545,800

Median Home Value

+22% vs state

1977

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 5 business establishments in ZIP 20628, employing approximately 37 people with a combined annual payroll of $1,838,000.

5

Businesses

37

Employees

$1.8M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Transportation and warehousing 3 60.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 20628 vs 20680 →

ZIP 20628 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 20628 ranks #8 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
20680 Ridge, MD 1,119 2.7 mi
20684 Saint Inigoes, MD 1,125 3.1 mi
20687 Scotland, MD 313 5.0 mi
20686 Saint Marys City, MD 1,332 4.8 mi
20630 Drayden, MD 348 6.7 mi
20667 Park Hall, MD 494 6.9 mi
20653 Lexington Park, MD 24,481 7.2 mi
20674 Piney Point, MD 830 8.2 mi
20692 Valley Lee, MD 1,051 8.5 mi
20670 Patuxent River, MD 1,014 9.9 mi

More ZIP Codes in St. Mary's County

Frequently Asked Questions

What county is ZIP code 20628 in?
ZIP code 20628 (Dameron) is located in St. Mary's County, Maryland. St. Mary's County contains multiple ZIP codes, see the full list at /counties/st-marys-md.
What is the population of ZIP code 20628?
ZIP code 20628 in Dameron, MD has a population of 594 according to the Census Bureau ACS 2023 estimates.
What is the average home value in ZIP 20628?
The median home value in ZIP 20628 is $545,800, which is 96% above the national average of $278,155.
What is the demographic makeup of ZIP 20628?
The largest racial group in ZIP 20628 is White at 76.1%. Hispanic or Latino residents make up 22.1% of the population.
How many businesses are in ZIP code 20628?
ZIP code 20628 has 5 business establishments employing approximately 37 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 20628?
In ZIP code 20628, 63.8% of residents aged 25+ have a high school diploma or higher, and 52.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 20628?
In ZIP code 20628, approximately 82.9% of occupied housing units are owner-occupied and 17.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20628?
The poverty rate in ZIP code 20628 is 4.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Dameron, MD

Verify and explore additional data for this area using these official government sources.