21104 vs 21784 ZIP Codes
Marriottsville, MD · Sykesville, MD
| Metric | 21104 | 21784 |
|---|---|---|
| City | Marriottsville | Sykesville |
| County | Carroll | Carroll |
| State | Maryland | Maryland |
| Time zone | Eastern Time | Eastern Time |
| Population | 4,601 | 37,941 |
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.