Allen, MD ZIP Codes
1
Total ZIPs
487
Total Population
ZIP Codes in Allen, MD
| ZIP Code | Population | Density | Timezone |
|---|---|---|---|
| 21810 | 487 | 20 | America/New_York |
All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.