Catonsville, MD zip code
Catonsville, Maryland uses one zip code: 21228. Most of it is in Baltimore County. Together these zip codes are home to about 50K people.
Zip codes
1
Population
50K
All zips combined
Largest zip
21228
50,492 residents
Zip codes in Catonsville
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 21228 | 50,492 | $112,656 |