Get API Key →
US ZIP Code Profile

ZIP Code 20712
Mount Rainier, Maryland

ZIP code 20712 is in Mount Rainier, located in Prince Georges County, Maryland, within the Washington-Arlington-Alexandria metro area. Its 2020 Census population was 9,526. The estimated median adjusted gross income per tax return is $40,806, and about 4% of filers report $200,000 or more.

2020 Population
9,526
Census ZCTA
County
Prince Georges
FIPS 24033
Median income (est.)
$40,806
IRS SOI 2022
Land Area
0.729 mi²
+ 0.005 mi² water

01Location & Geography

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

Primary CityMount Rainier, 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
Coordinates38.94236, -76.96458
Land / Water Area0.729 mi² land · 0.005 mi² water

02Income & Economics

Distribution of the 4,230 individual tax returns filed in 20712 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.9%
$25K–$50K
28.6%
$50K–$75K
16.3%
$75K–$100K
8.5%
$100K–$200K
10.9%
$200K+
3.8%
The $200,000+ bracket accounts for 18% of 20712's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($40,806) 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 20712's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,806
▲ 6.2%
Filers earning $200K+
3.8%
▲ 1.1 pt
Total filers
4,230
▲ 2.4%
GET /zipc/v2/zipcodes/20712/soi?year=… $36K 2020 $38K 2021 $41K 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 20712 ZCTA.

2000
9,067
 
2010
9,031
▼ -0.4%
2020
9,526
▲ +5.5%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 20712. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 20712

Mount Rainier and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 20712 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 Number236318
City AliasesMount Rainier, Mt Rainier

07Frequently Asked Questions

What county is ZIP code 20712 in?

ZIP code 20712 is in Prince Georges County, Maryland (county FIPS code 24033).

What city is ZIP code 20712?

The primary USPS city for 20712 is Mount Rainier, MD.

What metro area (MSA) is 20712 in?

20712 is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (MSA code 47900).

What is the population of ZIP code 20712?

The 2020 Census population of 20712 was 9,526 residents.

What is the median income in ZIP code 20712?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 20712 is about $40,806, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.