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US ZIP Code Profile

ZIP Code 20770
Greenbelt, Maryland

ZIP code 20770 is in Greenbelt, located in Prince Georges County, Maryland, within the Washington-Arlington-Alexandria metro area. Its 2020 Census population was 28,612. The estimated median adjusted gross income per tax return is $48,284, and about 3% of filers report $200,000 or more.

2020 Population
28,612
Census ZCTA
County
Prince Georges
FIPS 24033
Median income (est.)
$48,284
IRS SOI 2022
Land Area
8.213 mi²
+ 0.075 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityGreenbelt, MD
CountyPrince Georges County (FIPS 24033)
StateMaryland (FIPS 24)
Metro Area (MSA)Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (47900)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates39.002983, -76.879166
Land / Water Area8.213 mi² land · 0.075 mi² water

02Income & Economics

Distribution of the 13,420 individual tax returns filed in 20770 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.8%
$25K–$50K
22.8%
$50K–$75K
17.1%
$75K–$100K
11.8%
$100K–$200K
16.1%
$200K+
3.4%
The $200,000+ bracket accounts for 15% of 20770's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($48,284) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 20770's IRS income metrics, 2020–2022.

Median income (2021→2022)
$48,284
▲ 5.3%
Filers earning $200K+
3.4%
▲ 0.2 pt
Total filers
13,420
▲ 0.1%
GET /zipc/v2/zipcodes/20770/soi?year=… $44K 2020 $46K 2021 $48K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 20770 ZCTA.

2000
21,186
 
2010
25,173
▲ +18.8%
2020
28,612
▲ +13.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 20770. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 20770

Greenbelt and its immediate neighbors, sorted by distance.

3 mi
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Distance from 20770 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number234014
City AliasesGreenbelt

07Frequently Asked Questions

What county is ZIP code 20770 in?

ZIP code 20770 is in Prince Georges County, Maryland (county FIPS code 24033).

What city is ZIP code 20770?

The primary USPS city for 20770 is Greenbelt, MD.

What metro area (MSA) is 20770 in?

20770 is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (MSA code 47900).

What is the population of ZIP code 20770?

The 2020 Census population of 20770 was 28,612 residents.

What is the median income in ZIP code 20770?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 20770 is about $48,284, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.