| ZIP Code | 21737 |
|---|---|
| City | Glenelg |
| State | Maryland (MD) |
| County | Howard County |
| Area Code | 227/240 |
| Elevation | 522 ft |
| Latitude | 39.24826 |
|---|---|
| Longitude | -77.027125 |
| Timezone | New York (DST) |
| FIPS | 24027 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 38.2 yrs ↓ 10% since 2019 |
|---|---|
| Avg Household Size | 3.45 |
| Below Poverty | 0.8% ▼ 92% below avg |
| College Grads | 80.3% ▲ 107% above avg |
| Unemployment | 0.8% ▼ 84% below avg |
| HS Graduate | 136 (9.8%) |
| Some College | 61 (4.4%) |
| Associates | 77 (5.5%) |
| Bachelors | 108 (7.8%) |
| Graduate Degree | 1,007 (72.5%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $250,001 ▲ 228% above avg ↑ 30% since 2019 |
|---|---|
| Median Home Value | $1,032,800 ▲ 270% above avg ↑ 24% since 2019 |
| Home/Income Ratio | 4.1x (nat avg ~3.5x) |
| Total Units | 689 |
| Avg HH Size | 3.45 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 689 |
|---|---|
| Owner Occupied | 92.0% |
| Renter Occupied | 8.0% |
| Avg HH Size | 3.45 |
ZIP code 21737 is located in Glenelg, Maryland, within Howard County. With a population of 2,384, this is a sparsely populated ZIP code with a middle-aged community — the median age is 38.2 years. Economically, 21737 is a affluent ZIP code: the median household income of $250,001 is more than double the national average.
Real estate in ZIP code 21737 represents among the most expensive housing markets in the country. The median home value of $1,032,800 is more than double the national average. Homeownership is strong here — 92.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 24% since 2019.
The population of 21737 is primarily White (73.20%). Residents are highly educated — 80.3% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 0.8%. Household income has grown by 30% since 2019.
The unemployment rate in 21737 stands at 0.8%, which is well below the national average. About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.
Overall, ZIP code 21737 in Glenelg, MD is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 2,384 residents, a median household income of $250,001, and a median home value of $1,032,800, it offers a clear picture of life in this part of Maryland.