ZIP code · Barnesville · Maryland · United States
ZIP code 20838 — Barnesville
ZIP code 20838 serves Barnesville, Maryland.
- Postal code
- 20838Single source Value from one source, not cross-checked.
- City
- Barnesville
- County
- Montgomery
- State
- Maryland
- Country
- United States
- Coordinates
- 39.2233, -77.3764 — precision precise (locality)
View on OpenStreetMap - Population
- 409 (ZCTA, ACS 5-year)
- Median household income
- $223,571
- Median age
- 34.4
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page