| ZIP Code | 21821 |
|---|---|
| City | Deal Island |
| State | Maryland (MD) |
| County | Somerset County |
| Area Code | 410/667 |
| Latitude | 38.164595 |
|---|---|
| Longitude | -75.91666 |
| Timezone | New York (DST) |
| FIPS | 24039 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 56.5 yrs |
|---|---|
| Avg Household Size | 2.15 |
| Below Poverty | 15.2% ▲ 52% above avg |
| College Grads | 16.2% ▼ 58% below avg |
| Unemployment | 1.9% ▼ 61% below avg |
| No HS Diploma | 9 (1.6%) |
| HS Graduate | 207 (36.1%) |
| Some College | 194 (33.9%) |
| Associates | 70 (12.2%) |
| Bachelors | 40 (7%) |
| Graduate Degree | 53 (9.2%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $51,500 ▼ 33% below avg ↑ 38% since 2019 |
|---|---|
| Median Home Value | $151,700 ▼ 46% below avg ↓ 5% since 2019 |
| Home/Income Ratio | 2.9x (nat avg ~3.5x) |
| Median Rent | $1,356/mo ↑ 58% since 2019 |
| Total Units | 695 |
| Vacant Units | 353 |
| Avg HH Size | 2.15 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 695 |
|---|---|
| Vacant | 353 |
| Owner Occupied | 89.8% |
| Renter Occupied | 10.2% |
| Avg HH Size | 2.15 |
ZIP code 21821 is located in Deal Island, Maryland, within Somerset County. With a population of 736, this is a sparsely populated ZIP code with an older community — the median age is 56.5 years. Economically, 21821 is a working-class ZIP code: the median household income of $51,500 is below the national average.
Real estate in ZIP code 21821 represents an affordable housing market. The median home value of $151,700 is below the national average. Renters can expect to pay around $1,356 per month in median rent. Homeownership is strong here — 89.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have decreased by 5% since 2019.
The population of 21821 is primarily White (90.90%). Residents are less-educated — 16.2% hold a bachelor's degree or higher, which is well below the national average. Poverty affects some residents at 15.2%. Household income has grown by 38% since 2019.
The unemployment rate in 21821 stands at 1.9%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 45%.
Overall, ZIP code 21821 in Deal Island, MD is characterized as working-class, less-educated, an older community, and predominantly owner-occupied. With 736 residents, a median household income of $51,500, and a median home value of $151,700, it offers a clear picture of life in this part of Maryland.