📍 View location on OpenStreetMap (39.599020, -77.259060)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 21757 |
| Primary City | Keymar |
| State / Province | MD |
| County | Carroll |
| Total Population | 2,671 |
| Population Density | 29.3 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 21757 | Carroll County records | MD records |
|---|---|---|---|
| Population estimate | 2,671 | 158,322 (sum) | 6,205,597 (sum) |
| Population Density | 29.3 /sq mi | -- | -- |
| County population rank | #9 of 9 | -- | -- |
| State population rank | #286 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 21778 | Rocky Ridge | 4.3 mi | 745 |
| ZIP 21798 | Woodsboro | 4.7 mi | 2,928 |
| ZIP 21791 | Union Bridge | 5.5 mi | 5,340 |
| ZIP 21787 | Taneytown | 6.8 mi | 11,645 |
| ZIP 21727 | Emmitsburg | 7.3 mi | 6,052 |
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 →