21221 vs 21222 ZIP Codes
Essex, MD · Dundalk, MD
| Metric | 21221 | 21222 |
|---|---|---|
| City | Essex | Dundalk |
| County | Baltimore | Baltimore |
| State | Maryland | Maryland |
| Time zone | Eastern Time | Eastern Time |
| Population | 42,154 | 55,786 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.