| ZIP Code | 21639 |
|---|---|
| City | Greensboro |
| State | Maryland (MD) |
| County | Caroline County |
| Area Code | 410/667 |
| Elevation | 41 ft |
| Latitude | 38.958732 |
|---|---|
| Longitude | -75.782499 |
| Timezone | New York (DST) |
| FIPS | 24011 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 37.3 yrs ↑ 9% since 2019 |
|---|---|
| Avg Household Size | 2.74 |
| Below Poverty | 14.4% ▲ 44% above avg |
| College Grads | 20.8% ▼ 46% below avg |
| Unemployment | 3.0% ▼ 38% below avg |
| No HS Diploma | 22 (0.8%) |
| HS Graduate | 1,204 (46.5%) |
| Some College | 484 (18.7%) |
| Associates | 343 (13.2%) |
| Bachelors | 178 (6.9%) |
| Graduate Degree | 361 (13.9%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $59,274 ▼ 22% below avg ↑ 7% since 2019 |
|---|---|
| Median Home Value | $270,300 ≈ Avg ↑ 62% since 2019 |
| Home/Income Ratio | 4.6x (nat avg ~3.5x) |
| Median Rent | $1,017/mo ↑ 19% since 2019 |
| Total Units | 1,890 |
| Vacant Units | 208 |
| Avg HH Size | 2.74 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 1,890 |
|---|---|
| Vacant | 208 |
| Owner Occupied | 71.4% |
| Renter Occupied | 28.6% |
| Avg HH Size | 2.74 |
ZIP code 21639 is located in Greensboro, Maryland, within Caroline County. With a population of 4,621, this is a lightly populated ZIP code with a relatively young community — the median age is 37.3 years. Economically, 21639 is a solidly middle-class ZIP code: the median household income of $59,274 is below the national average.
Real estate in ZIP code 21639 represents a mid-range housing market. The median home value of $270,300 is near the national average. Renters can expect to pay around $1,017 per month in median rent. Homeownership is strong here — 71.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 62% since 2019.
The population of 21639 is primarily White (70.61%). Residents are less-educated — 20.8% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 14.4%. Household income has grown by 7% since 2019.
The unemployment rate in 21639 stands at 3.0%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 77%.
Overall, ZIP code 21639 in Greensboro, MD is characterized as solidly middle-class, less-educated, a relatively young community, and predominantly owner-occupied. With 4,621 residents, a median household income of $59,274, and a median home value of $270,300, it offers a clear picture of life in this part of Maryland.