ZIP code · Glyndon · Maryland · United States
ZIP code 21071 — Glyndon
ZIP code 21071 serves Glyndon, Maryland.
- Postal code
- 21071Single source Value from one source, not cross-checked.
- City
- Glyndon
- County
- Baltimore
- State
- Maryland
- Country
- United States
- Coordinates
- 39.4770, -76.8150 — precision precise (locality)
View on OpenStreetMap - Population
- 355 (ZCTA, ACS 5-year)
- Median household income
- $138,456
- Median age
- 33.7
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page