20877 vs 20880 ZIP Codes
Gaithersburg, MD · Washington Grove, MD
| Metric | 20877 | 20880 |
|---|---|---|
| City | Gaithersburg | Washington Grove |
| County | Montgomery | Montgomery |
| State | Maryland | Maryland |
| Time zone | Eastern Time | Eastern Time |
| Population | 34,321 | 450 |
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.