ZIP Code 20551 in Washington, DC

Data Last Updated: January 1, 2026
City:Washington, District of Columbia
Names to Avoid:
Federal Reserve Board
County:District Of Columbia County
Timezone:Eastern (GMT -05:00)
Local Time:2:11:27 AM
Population:No Population Data
Area Codes:202 / 771
Classification:Unique [Company/Government]
Coordinates:38.8928, -77.0458
Land Area:0.009 sq mi
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20551 - Federal Reserve Board

Washington, DC | District of Columbia County | Government Federal

Federal Reserve Board

Entity TypeGovernment Federal
LocationWashington, DC
CountyDistrict of Columbia
FacilityPost Office
Coordinates38.8928, -77.0458
CoverageBuilding footprint (Boundary covers 0.01 sq mi)
Key Facts
  • Exclusive ZIP dedicated to federal operations
  • Mail processed at dedicated Post Office
  • Home to Federal Reserve Board
  • Mail serves 6 business establishments employing around 43 people
  • Delivers to 1 business address (no residential delivery)
  • Located in the Washington, DC metro area
  • Created December 23, 1913; Eccles Building dedicated 1937
  • U.S. central bank governing board
Entity Type
Government Federal
Facility
Post Office
Neighborhood
Washington Mall
Buildings
1

About ZIP Code 20551

The Federal Reserve Board of Governors operates under dedicated ZIP code 20551 in Washington, D.C. President Woodrow Wilson created the Federal Reserve System on December 23, 1913, signing the Federal Reserve Act after the Panic of 1907 demonstrated the need for central monetary control. The Board of Governors oversees 12 regional Federal Reserve Banks and sets national monetary policy. The Marriner S. Eccles Building on Constitution Avenue has housed the Board since President Roosevelt dedicated it on October 20, 1937. This postal designation has served the Fed for over two decades.

Located in the Washington Mall area of Northwest Washington, the 0.01-square-mile boundary encompasses the Federal Reserve Board on Constitution Avenue. Postal records show 2 ZIP+4 codes routing to this facility. Census County Business Patterns reports 6 establishments with 43 employees. Census demographic data is not available for this ZIP. Washington is the valid mailing city.

Business Data
Establishments:6
Employment:43
Delivery Points
Residential:0
Business:1

Named Buildings

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

Federal Reserve Board on Constitution

Address Format

[Recipient Name]
[Street Address]
WASHINGTON, DC 20551
Interactive charts load automatically as you scroll. Hover for data, click to explore trends, and use the menu to export.

Population & Demographics


ZIP Code 20551 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:$0Source: Census ACS
Persons Per Household:0.00Source: Census DHC
Average Family Size:0.00Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--0000000000000
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 2019-2023 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.

Education, Health & Community


Insufficient data for educational attainment. Insufficient data for health insurance coverage. Insufficient data for poverty. Insufficient data for school enrollment.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00%
9th to 12th grade, no diploma:00%
High school graduate (includes equivalency):00%
Some college, no degree:00%
Associate's degree:00%
Bachelor's degree:00%
Graduate or professional degree:00%
Total:0100%
High school or higher:00%
Bachelor's degree or higher:00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:00%
Public Insurance:00%
No Insurance:00%
Total:0100%
Has Health Insurance:00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00%
Kindergarten:00%
Elementary school (grades 1-8):00%
High school (grades 9-12):00%
College or graduate school:00%
Total:0100%
Early Childhood:00%
K-12 (Primary & Secondary School):00%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 20551 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 25 people with an annual payroll of $1,554,000. 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:5Source: CBP
1st Quarter Payroll:$372,000Source: CBP
Annual Payroll:$1,554,000Source: CBP
# of Employees:25Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 20551 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 6,263,796 people, about 0.00% of whom live in ZIP Code 20551, and is subdivided into the Washington, DC-MD division. It covers 0.009 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:6,263,796Source: Census
MSA:Washington-Baltimore, DC-MD-VA-WV CMSASource: Census
Land Area:0.009 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


20552 | | 20549

Schools in ZIP Code 20551


We could not locate which school district 20551 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.

School Without Walls Hs 2130 G St. Nw
Washington, DC 20037
District: District of Columbia Public SchoolsNearby
Goodwill Excel Center Pcs 1776 G Street Nw
Washington, DC 20006
District: UnknownNearby
Thaddeus Stevens Early Learning Center 1050 21st Street Nw
Washington, DC 20036
District: District of Columbia Public SchoolsNearby
School Without Walls At Francis-Stevens 2425 N St. Nw
Washington, DC 20037
District: District of Columbia Public SchoolsNearby
Thomson Es 1200 L St. Nw
Washington, DC 20005
District: District of Columbia Public SchoolsNearby
Triangle Tots 1300 Pennsylvania Ave Nw
Washington, DC 20229
District: Private SchoolNearby
Smithsonian Early Enrichment Center 1000 Constitution Ave Nw Nmnh Rm Ce-G50
Washington, DC 20560
District: Private SchoolNearby
Georgetown Montessori School 1041 Wisconsin Ave Nw
Washington, DC 20007
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 20551


George Washington University 1918 F Street, Nw
Washington, DC 20052
Type: Post Secondary
Arizona State University - Washington, D.c. 1800 I Street North West
Washington, DC 20006-5407
Type: Post Secondary
University Of The Potomac-Washington Dc Campus 1401 H Street Nw
Washington, DC 20005
Type: Post Secondary
The Chicago School Of Professional Psychology At Washington Dc 901 15th St., Nw
Washington, DC 20005
Type: Post Secondary
Technical Learning Centers Inc 1220 19th St. Suite 100
Washington, DC 20036
Type: Post Secondary
Newu University 1090 Vermont Ave 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 January 1, 2026.

  1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], 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: 1/1/2026], https://nces.ed.gov