Zip Code 21787 — Taneytown, MD
21787 is a ZIP Code associated with Taneytown, MD, located within Carroll. 21787 ranks #6 out of 9 ZIP codes in Carroll County by population (and #171 out of 477 in MD). The area supports an estimated population of 11,645 residents across Data Pending housing units, with a population density of 73.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.671690, -77.173170)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 21787 |
| Primary City | Taneytown |
| State / Province | MD |
| County | Carroll |
| Total Population | 11,645 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 73.6 people/sq mi |
| Timezone | America/New_York |
How 21787 Compares
| Metric | ZIP 21787 | Carroll County | MD State Average |
|---|
| Population | 11,645 | 158,322 (Total) | 6,205,597 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 73.6 /sq mi | -- | -- |
| County Pop Rank | #6 of 9 | -- | -- |
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 →