Secretary, MD ZIP Codes
1
Total ZIPs
539
Total Population
ZIP Codes in Secretary, MD
| ZIP Code | Population | Density | Timezone |
|---|---|---|---|
| 21664 | 539 | 481 | 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.