21043 vs 21228 ZIP Codes
Ellicott City, MD · Catonsville, MD
| Metric | 21043 | 21228 |
|---|---|---|
| City | Ellicott City | Catonsville |
| County | Howard | Baltimore |
| State | Maryland | Maryland |
| Time zone | Eastern Time | Eastern Time |
| Population | 42,246 | 47,577 |
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.