Zip Code 21782 — Sharpsburg, MD
21782 is a ZIP Code associated with Sharpsburg, MD, located within Washington. 21782 ranks #8 out of 19 ZIP codes in Washington County by population (and #257 out of 477 in MD). The area supports an estimated population of 3,704 residents across Data Pending housing units, with a population density of 48.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.455200, -77.759950)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 21782 |
| Primary City | Sharpsburg |
| State / Province | MD |
| County | Washington |
| Total Population | 3,704 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 48.8 people/sq mi |
| Timezone | America/New_York |
How 21782 Compares
| Metric | ZIP 21782 | Washington County | MD State Average |
|---|
| Population | 3,704 | 159,858 (Total) | 6,205,597 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 48.8 /sq mi | -- | -- |
| County Pop Rank | #8 of 19 | -- | -- |
Nearby ZIP Codes
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 →