📍 View location on OpenStreetMap (39.451110, -76.506060)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 21057 |
| Primary City | Glen Arm |
| State / Province | MD |
| County | Baltimore |
| Total Population | 4,386 |
| Population Density | 106.6 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 21057 | Baltimore County records | MD records |
|---|---|---|---|
| Population estimate | 4,386 | 1,414,366 (sum) | 6,205,597 (sum) |
| Population Density | 106.6 /sq mi | -- | -- |
| County population rank | #51 of 65 | -- | -- |
| State population rank | #249 of 470 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 21082 | Hydes | 3.0 mi | 626 |
| ZIP 21051 | Fork | 3.1 mi | 172 |
| ZIP 21234 | Parkville | 4.1 mi | 66,334 |
| ZIP 21013 | Baldwin | 4.2 mi | 5,610 |
| ZIP 21286 | Towson | 4.4 mi | 21,853 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →