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 a sparsely populated ZIP (a standard USPS delivery area) in Dameron, St. Mary's County, Maryland, home to just 594 residents across 17.2 square miles, a density of 35 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 20628, but per-capita income is $60,310. Local economic indicators show a 4.6% poverty rate alongside 9.1% unemployment. Housing costs here run $545,800 for a typical home value (22% above the state average), with rent averaging - a month; 82.9% of homes are owner-occupied.
This is a highly-educated ZIP: 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 on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
Who lives in ZIP 20628?
35.9
Median Age
50.3%
Male
49.7%
Female
4.8%
Foreign-Born
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?
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
$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.
- 20653
Lexington Park (20653)
24,481 residents
- 20686 1,332
Saint Marys City (20686)
1,332 residents
- 20684 1,125
Saint Inigoes (20684)
1,125 residents
- 20680 1,119
Ridge (20680)
1,119 residents
- 20692 1,051
Valley Lee (20692)
1,051 residents
- 20670 1,014
Patuxent River (20670)
1,014 residents
- 20674 830
Piney Point (20674)
830 residents
- 20628 594
Dameron (20628)
594 residents
- 20667 494
Park Hall (20667)
494 residents
What this shows Among its immediate neighbors, ZIP 20628 ranks #8 by population - useful context the national average alone can't give.
| 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
Related Areas
Frequently Asked Questions
What county is ZIP code 20628 in? ▼
What is the population of ZIP code 20628? ▼
What is the average home value in ZIP 20628? ▼
What is the demographic makeup of ZIP 20628? ▼
How many businesses are in ZIP code 20628? ▼
What is the education level in ZIP code 20628? ▼
What percentage of residents own vs. rent in ZIP 20628? ▼
What is the poverty rate in ZIP code 20628? ▼
Read our methodology to see how this data is sourced, computed, and verified.