ZIP Code 20220 in Washington, DC

Data Last Updated: March 1, 2026
City:Washington, District of Columbia
Names to Avoid:
Dept Treasury
County:District Of Columbia County
Timezone:Eastern (GMT -05:00)
Local Time:9:51:54 PM
Population:No Population Data
Area Codes:202 / 771
Classification:Unique [Company/Government]
Coordinates:38.8971, -77.0344
Land Area:0.017 sq mi
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https://www.zip-codes.com/zip-code/20220/zip-code-20220.asp

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20220 - Department Treasury

Washington, DC | District of Columbia County | Institution

Department Treasury

Entity TypeInstitution
LocationWashington, DC
CountyDistrict of Columbia
FacilityPost Office
Coordinates38.8971, -77.0344
CoverageBuilding footprint (Boundary covers 0.02 sq mi)
Key Facts
  • Unique postal code for single organization
  • Mail processed at dedicated Post Office
  • 5 buildings including Atf, Department of Treasury and more
  • Mail serves 5 business establishments employing around 49 people
  • Delivers to 1 business address (no residential delivery)
  • Located in the Washington, DC metro area
  • Original 1789 cabinet department, Treasury Building is National Historic Landmark
  • Federal cabinet department managing revenue and currency
Entity Type
Institution
Facility
Post Office
Neighborhood
Washington Mall
Buildings
5

About ZIP Code 20220

The U.S. Department of the Treasury operates under dedicated ZIP code 20220 in Washington, D.C. Established in 1789, Treasury is one of the original federal departments and manages government revenue, produces currency, and oversees economic policy. The Treasury Building, completed in 1869, is a National Historic Landmark located next to the White House at 1500 Pennsylvania Avenue NW.

Postal records identify 13 delivery points across 5 facilities including the Department of Treasury on Pennsylvania Avenue, the United States Mint on 9th Street, and ATF on G Street. This boundary-defined designation covers 0.02 square miles in the Washington Mall neighborhood. Census County Business Patterns reports 5 establishments with 49 employees at this ZIP. The USPS added the department alias in August 2012. Washington serves as the valid mailing city.

Business Data
Establishments:5
Employment:49
Delivery Points
Residential:0
Business:1

Named Buildings

Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.

Atf on G Department of Treasury on Pennsylvania Federal Tax Reform on New York United States Mint on 9Th US Mint on 9Th

Address Format

[Recipient Name]
[Street Address]
WASHINGTON, DC 20220
Interactive charts load automatically as you scroll. Hover for data, click to explore trends, and use the menu to export.

Population & Demographics


ZIP Code 20220 has 0 residents and 0 households. Age detail is not available. Gender breakdown is not available. Race and ethnicity breakdown is not available.

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:0Source: Census DHC
2024 ACS Population Estimate:0Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:0.0 people per sq mile
Average Income:$0Source: Census ACS
Households:0Source: Census DHC
Average House Value:$666,666,666Source: Census ACS
Persons Per Household:0.00Source: Census DHC
Average Family Size:0.00Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--00000000000000
Decennial Census0------------------0--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 0

Male Median Age: 0

Female Median Age: 0

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male000000000000000000
Female000000000000000000
Total000000000000000000
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:00%
Black:00%
Hispanic:*00%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:00%
Total:0100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:00%0.0 years
Females:00%0.0 years
Total:0100%0.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:00%
Native, born in PR, Island Areas, or abroad:00%
Foreign born, naturalized U.S. citizen:00%
Foreign born, not a U.S. citizen:00%
Total Population:0100%
Total Native Population:00%
Total Foreign-born Population:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Business & Employment Statistics


ZIP Code 20220 supports both business and residential activity. According to the Business Census (2024), there are 4 business establishments, employing about 20 people with an annual payroll of $2,319,000. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:1Source: USPS
Total Delivery Receptacles:1Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:4Source: CBP
1st Quarter Payroll:$554,000Source: CBP
Annual Payroll:$2,319,000Source: CBP
# of Employees:20Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 20220 is located in District Of Columbia County, District of Columbia, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and District of Columbia's 98th Congressional District. This Metro area has a population of 5,582,170 people, about 0.00% of whom live in ZIP Code 20220, and is subdivided into the Washington, DC-MD division. It covers 0.017 sq mi of land and a water area of 0 sq mi.

CBSA Name:Washington-Arlington-Alexandria, DC-VA-MD-WVSource: Census
CBSA Number:47900Source: Census
CBSA Type:MetroSource: Census
CBSA Division:Washington, DC-MD (CBSA Div 47764)Source: Census
CBSA Population:5,582,170Source: Census
MSA:Washington-Baltimore, DC-MD-VA-WV CMSASource: Census
Land Area:0.017 sq miSource: Census
Water Area:--Source: Census
Congressional District:98Source: USPS
Congressional Land Area:61.40 sq miSource: Census
PMSA:Washington, DC-MD-VA-WV PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:1150000Source: Census
Place Name:Washington city; District of ColumbiaSource: Census

Adjacent & Nearby ZIP Codes


20221 | | 20219

Schools in ZIP Code 20220


We could not locate which school district 20220 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Goodwill Excel Center Pcs 1776 G Street Nw
Washington, DC 20006
District: UnknownNearby
Thomson Es 1200 L St. Nw
Washington, DC 20005
District: District of Columbia Public SchoolsNearby
Basis Dc Pcs 410 8th Street Nw
Washington, DC 20004
District: UnknownNearby
Girls Global Academy Pcs 733 8th Street Nw
Washington, DC 20001
District: UnknownNearby
School Without Walls Hs 2130 G St. Nw
Washington, DC 20037
District: District of Columbia Public SchoolsNearby
Smithsonian Early Enrichment Center 1000 Constitution Ave Nw Nmnh Rm Ce-G50
Washington, DC 20560
District: Private SchoolNearby
The School For Ethics And Global Leadership 1528 18th St Nw
Washington, DC 20036
District: Private SchoolNearby
Fusion Academy Wdc: Washington D.c. 2000 Florida Ave Nw
Washington, DC 20009
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 20220


University Of The Potomac-Washington Dc Campus 1401 H Street Nw
Washington, DC 20005
Type: Post Secondary
The Chicago School At Washington Dc 901 15th St., Nw
Washington, DC 20005
Type: Post Secondary
Newu University 1090 Vermont Ave Nw
Washington, DC 20005
Type: Post Secondary
Career Technical Institute 1101 Vermont Avenue, N.w Suite L002
Washington, DC 20005
Type: Post Secondary
Arizona State University - Washington, D.c. 1801 I Street North West
Washington, DC 20006-5407
Type: Post Secondary
Strayer University-District Of Columbia 1133 15th St Nw
Washington, DC 20005
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on March 1, 2026.

  1. U.S. Postal Service [Last Updated: 3/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 3/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 3/1/2026], https://nces.ed.gov