City
Great Mills, MD ZIP codes
1 ZIP, including 20634 as primary city.
Map of Great Mills
ZIP code map
ZIP share of this city
Population share
No overlap percents for this place — ZIP codes are listed from the city or county field.
ZIP codes in Great Mills
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 20634 | Great Mills | St. Mary's County | 6,976 | $117,431 |