City ZIP codes · Maryland
Upper Marlboro, MD ZIP Codes
5 ZIP codes use the postal name Upper Marlboro, Maryland (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 3 for PO boxes or a single organization. Median household income runs from $128,259 in 20774 to $139,403 in 20772 (Census Bureau, ACS 2020-2024). Upper Marlboro's most populous ZIP code is 20772, with 54,319 people (ACS 2020-2024); 1% of its land is in the city of Upper Marlboro.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Upper Marlboro's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Upper Marlboro's ZIP codes?
The highest median household income is in 20772 ($139,403), the lowest in 20774 ($128,259). Home values run from $455,300 in 20774 to $461,300 in 20772.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 2 residential ZIP codes of Upper Marlboro
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
PO Box and single-organization ZIP codes in Upper Marlboro
3 ZIP codes named Upper Marlboro have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 20773 | Prince George's County |
| 20775 | Prince George's County |
| 20792 | Prince George's County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Upper Marlboro's ZIP codes reach?
Upper Marlboro's residential ZIP codes lie in Prince George's County.
Which places do Upper Marlboro's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Upper Marlboro's residential ZIP codes cover Upper Marlboro itself and 15 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- Marlboro Meadows census-designated 20772, 20774
- Westphalia census-designated 20772, 20774
- Baden census-designated 20772
- Brock Hall census-designated 20774
- Brown Station census-designated 20774
- Croom census-designated 20772
- Kettering census-designated 20774
- Largo census-designated 20774
- Marlboro Village census-designated 20772
- Marlton census-designated 20772
- Melwood census-designated 20772
- Queen Anne census-designated 20774
- Queensland census-designated 20772
- Rosaryville census-designated 20772
- Springdale census-designated 20774
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Upper Marlboro's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Upper Marlboro starts with 207.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 207 | Southern, MD (SCF 207) | 5 | 79 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.