ZIP code · Greenbelt · Maryland · United States
ZIP code 20770 — Greenbelt
ZIP code 20770 serves Greenbelt, Maryland.
- Postal code
- 20770Single source Value from one source, not cross-checked.
- City
- Greenbelt
- County
- Prince George's FIPS 24033
- State
- Maryland
- Country
- United States
- Coordinates
- 38.9996, -76.8840 — precision precise (locality)
View on OpenStreetMap - Population
- 28,181 (ZCTA, ACS 5-year)
- Population density
- 3,858 / sq mi
- Land area
- 7.3 sq mi (18.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $84,125
- Per-capita income
- $45,269
- Median age
- 36
- Households
- 12,006
- Housing units
- 12,736
- Median home value
- $249,400
- Median gross rent
- $1,823 / month
- Congressional district
- MD-4 (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 20770 with another ZIP · ZIPs within 25 miles · distance from 20770
Map of ZIP code 20770
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 25°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 43 | 46 | 53 | 65 | 74 | 83 | 87 | 86 | 79 | 68 | 57 | 47 |
| Avg low °F | 25 | 27 | 34 | 44 | 54 | 63 | 68 | 66 | 59 | 47 | 37 | 30 |
| Precip in | 2.9 | 2.4 | 3.7 | 3.3 | 4.3 | 4.2 | 4.5 | 3.9 | 4.4 | 4.0 | 2.9 | 3.5 |
NOAA 1991–2020 climate normals from the nearest station: BELTSVILLE (3.3 mi) · NOAA NCEI
Places in ZIP 20770
- 9 schools
- 1 colleges & universities
- 2 hospitals & clinics
- 1 doctors & dentists
- 2 pharmacies
- 3 supermarkets
- 27 restaurants & cafés
- 10 parks
- 35 playgrounds
- 3 gyms & sports centres
- 2 libraries
- 2 post offices
- 7 places of worship
- 9 banks
- 6 gas stations
- 1 EV charging stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page