Glenwood, MD zip code
Glenwood, Maryland uses one zip code: 21738. Most of it is in Howard County. Together these zip codes are home to about 3.7K people.
Zip codes
1
Population
3.7K
All zips combined
Largest zip
21738
3,696 residents
Zip codes in Glenwood
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 21738 | 3,696 | $250,000+ |