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US ZIP Code Profile

ZIP Code 20003
Washington, District of Columbia

ZIP code 20003 is in Washington, located in District Of Columbia County, District of Columbia, within the Washington-Arlington-Alexandria metro area. Its 2020 Census population was 36,501. The estimated median adjusted gross income per tax return is $95,342, and about 19% of filers report $200,000 or more.

2020 Population
36,501
Census ZCTA
County
District Of Columbia
FIPS 11001
Median income (est.)
$95,342
IRS SOI 2022
Land Area
2.243 mi²
+ 0.274 mi² water

01Location & Geography

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

Primary CityWashington, DC
CountyDistrict Of Columbia County (FIPS 11001)
StateDistrict of Columbia (FIPS 11)
Metro Area (MSA)Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (47900)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates38.88184, -76.99094
Land / Water Area2.243 mi² land · 0.274 mi² water

02Income & Economics

Distribution of the 22,300 individual tax returns filed in 20003 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
10.5%
$25K–$50K
11.6%
$50K–$75K
16.1%
$75K–$100K
14.4%
$100K–$200K
27.9%
$200K+
19.4%
The $200,000+ bracket accounts for 55% of 20003's total adjusted gross income, from 19% of returns — a concentration that drives the gap between the median ($95,342) 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 20003's IRS income metrics, 2020–2022.

Median income (2021→2022)
$95,342
▲ 6.3%
Filers earning $200K+
19.4%
▲ 1.1 pt
Total filers
22,300
▲ 2.4%
GET /zipc/v2/zipcodes/20003/soi?year=… $84K 2020 $90K 2021 $95K 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 20003 ZCTA.

2000
23,122
 
2010
26,454
▲ +14.4%
2020
36,501
▲ +38.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 20003. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 20003

Washington and its immediate neighbors, sorted by distance.

3 mi
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Distance from 20003 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 SortB
USPS Finance Number105000
City AliasesWashington

07Frequently Asked Questions

What county is ZIP code 20003 in?

ZIP code 20003 is in District Of Columbia County, District of Columbia (county FIPS code 11001).

What city is ZIP code 20003?

The primary USPS city for 20003 is Washington, DC.

What metro area (MSA) is 20003 in?

20003 is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metro Area (MSA code 47900).

What is the population of ZIP code 20003?

The 2020 Census population of 20003 was 36,501 residents.

What is the median income in ZIP code 20003?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 20003 is about $95,342, with around 19% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.