Zip Code 20770
Greenbelt, Maryland — Prince Georges County
📍 ZIP code 20770 is in Greenbelt, Prince Georges County, Maryland.
ZIP code 20770 is located in Greenbelt, Prince Georges County, Maryland. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 28,181. The area code for ZIP code 20770 is 301.
Quick Answer
Zip code 20770 is in Greenbelt, Maryland (Prince Georges County). It has a population of 28,181, median household income of $84,125, and median home value of $249,400.
Population
28,181
Income
$84,125
Home Value
$249,400
Climate
87°F / 25°F
About Zip Code 20770
Zip code 20770 is located in Greenbelt, Maryland, within Prince Georges County. Home to approximately 28,181 residents, this area sits at an elevation of 127 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 301.
The median household income is $84,125 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $249,400, and the cost of living index is 96 (4% below the national average of 100).
Summers average a high of 87°F while winters drop to 25°F. The area receives about 44 in of rain and 16 in of snow annually. The zip code covers 8.2 square miles of land area and 0.1 square miles of water.
Key Statistics
28,181
$84,125
$249,400
Eastern (EST/EDT)
301
127 ft
8.2 sq mi
36
12,736
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Compare With Nearby Zip Codes
| Metric | 20770 | 20740 | 20706 | 20737 | 20769 | 20705 |
|---|---|---|---|---|---|---|
| City | Greenbelt, MD | College Park, MD | Lanham, MD | Hyattsville, MD | Glenn Dale, MD | Beltsville, MD |
| Population | 28,181 | 36,564 | 43,225 | 24,987 | 7,061 | 28,119 |
| Median Income | $84,125 | $81,359 | $100,061 | $84,241 | $170,117 | $106,691 |
| Home Value | $249,400 | $417,100 | $408,600 | $370,300 | $571,400 | $423,000 |
| Cost of Living | 96 | 126 | 135 | 121 | 198 | 144 |
| Median Age | 36 | 24 | 38.5 | 32.1 | 42.4 | 36.6 |
Cost of Living
100 = National Average. Greenbelt's cost of living is 4% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.0x
Demographics
Zip code 20770 has a population of 28,181 people with a median age of 36. There are 12,736 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Greenbelt (20770) population trend from 2010 to 2024
↑ 366.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
25°F
44 in
16 in
Greenbelt experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 25°F. The area receives about 16 in of snow per year.
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Housing & Economy
Median Home Value
$249,400
Median Household Income
$84,125
With 12,736 housing units across 8.2 square miles, 20770 has a housing density of 1,553 units per square mile. The home price-to-income ratio is 3.0x.
Location & Geography
Latitude
39.0030°
Longitude
-76.8792°
Land Area
8.2 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 20770 (Greenbelt, MD) with distances:
Related Cities in Maryland
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 20770's $84,125. A way to compare Greenbelt to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 20770 (Greenbelt, MD). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Greenbelt, Maryland?
Greenbelt, Maryland uses zip code 20770.
What county is zip code 20770 in?
Zip code 20770 is located in Prince Georges County, Maryland.
What is the population of zip code 20770?
The population of zip code 20770 is 28,181 with a median age of 36.
Is 20770 in Greenbelt, Maryland?
Yes, zip code 20770 is in Greenbelt, Prince Georges County, Maryland. The area code is 301.
Frequently Asked Questions
What city is zip code 20770 in?
Zip code 20770 is in Greenbelt, Maryland. It is part of Prince Georges County and uses the Eastern (EST/EDT) timezone.
What is zip code 20770?
Zip code 20770 is a U.S. postal code in Greenbelt, Maryland (Prince Georges County). It has a population of 28,181 and covers 8.2 square miles.
What is the population of zip code 20770?
The population of zip code 20770 (Greenbelt, MD) is 28,181 with a median age of 36. There are approximately 12,736 housing units in this area.
What is the median income in zip code 20770?
The median household income in zip code 20770 (Greenbelt, MD) is $84,125 per year. The cost of living index is 96 (100 = national average).
What is the average home price in zip code 20770?
The median home value in zip code 20770 (Greenbelt, MD) is $249,400. The cost of living index is 96 compared to the national average of 100.
What county is zip code 20770 in?
Zip code 20770 is located in Prince Georges County, Maryland. The primary city is Greenbelt.
What is the area code for zip code 20770?
Zip code 20770 in Greenbelt, MD uses area code 301. It is located in the Eastern (EST/EDT) timezone.
Is zip code 20770 a good place to live?
Zip code 20770 (Greenbelt, MD) has a cost of living index of 96 (100 = national average), a median household income of $84,125, and median home values of $249,400. The median age is 36. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 20770?
The cost of living index for zip code 20770 (Greenbelt, MD) is 96, where 100 represents the national average. This area is below the national average. Median home value: $249,400.
What schools serve zip code 20770?
Zip code 20770 in Greenbelt, Maryland is served by the local school district of Prince Georges County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.