Joppa, MD zip code
Joppa, Maryland uses one zip code: 21085. Most of it is in Harford County. Together these zip codes are home to about 17K people.
Zip codes
1
Population
17K
All zips combined
Largest zip
21085
17,307 residents
Zip codes in Joppa
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 21085 | 17,307 | $113,714 |