Zip Code 21146 — Severna Park, MD
21146 is a ZIP Code associated with Severna Park, MD, located within Anne Arundel. 21146 ranks #9 out of 37 ZIP codes in Anne Arundel County by population (and #90 out of 477 in MD). The area supports an estimated population of 28,591 residents across Data Pending housing units, with a population density of 1,089.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (39.077370, -76.556130)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 21146 |
| Primary City | Severna Park |
| State / Province | MD |
| County | Anne Arundel |
| Total Population | 28,591 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 1,089.2 people/sq mi |
| Timezone | America/New_York |
How 21146 Compares
| Metric | ZIP 21146 | Anne Arundel County | MD State Average |
|---|
| Population | 28,591 | 611,016 (Total) | 6,205,597 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 1,089.2 /sq mi | -- | -- |
| County Pop Rank | #9 of 37 | -- | -- |
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 →