All ZIP Codes, Map and Demographics of Washington, DC

Important Washington, DC Information

Washington, DC has 30 Standard (Non-Unique), 18 PO Box, and 222 Unique ZIP Codes. Together, these cover a total of 61.13 square miles of land area and 7.22 square miles of water area. This includes the Chevy Chase, Fort Lesley J Mcnair, Fort Mcnair, Ft L J Mcnair, Bolling AFB, Bolling Air Force Base, Wash, Washing, Washingtn, USPS Headquarters, Navy Yard, Washington, Washington Na, Naval Sea Sys, Naval Sea Systems Command, Naval Investigative Service, Dept Navy Fed Credit Union and Military Sealift Command areas.A full list of ZIP Codes is below, including type, population and aliases for each.

The combined population for all ZIP Codes in Washington, DC is 689,545.Population Density is 11,304.02 persons per square mile. Average Household Size is 2.08 persons and Average Family Size is 4.09 persons. The Census Designated Place population for Washington city; District of Columbia is 689,545. More Demographics are available below, including charts showing racial comparison, gender breakdown, population over time, average income, average house value, income over time, and more.

District Of Columbia County is the only county which covers this area. There are 3 area codes serving this area including 202, 423 and 771. Washington is also located in the Eastern (GMT -05:00) timezone and the current local time is shown above.

Unique ZIPs are assigned to businesses, government agencies, universities, and other entities which receive a large volume of mail. Washington has 222 of these which are assigned to Sun Trust Bank Inc, Criterion Ins Co, Amer Assc Retired Persons, G W Univ, Verizon, Bank Of America, Georgetown Univ, Marriott Corp, Howard Univ, Howard University Hospital, Wells Fargo, US Chamber Of Com, Int Group Plans Inc, Catholic Univ, Blue Cross Group Hosp, Washington Dc Post Office, Pepco, Wash Intell Bureau Inc, Washington Post, Pnc Financial, Geico, Washington Brm, Washington Gas, Natl Repub Cong Comm, Dept Hlth Human Serv, Dept Education, Social Securtiy Admin, Food And Drug Admin, Soc Sec Bureau Hearing App, Consumer Product Safety Comm, Natl Institute Of Educ, Dept Of Labor, Office Of Workers Comp, Dept Labor Stats, Dept Labor Manpower Admn, Bureau Labor Statistics, Dept Labor Payroll Audit Div, Labor Management Admin, US Tax Court, Natl Comm On Social Sec, Comptroller Of Currency, Dept Treasury, District Director Irs, US Treasurer, US Secret Service, Internal Revenue Service, Dept Treas Other Offices, Dept Treas Check Claims Div, Bureau Engav And Printing, US Bureau Of Customs, Dept Commerce, Resolutn Trust Oversight Brd, Bureau Of Census, Dept Commerce Outside Hq, Broadcasting Bd Of Governors, US Holocaust Memorial Museum, Bureau Of Public Debt, Dept Interior, Bureau Of Mines, National Park Service, Geological Survey, Bureau Of Indian Affairs, Dept Agriculture, Dept Ag Ofc Outside Hq, Smokey Bear, USPS Consumer Affairs, Mafic, Philatelic Sales Division, Postal Regulatory Comm, Presidential Transition Team, Washington Dc Brm, Universal Postal Union Congr, Readasorus, Pentagon, National Imaging And Mapping, Armed Forces Inst Pathology, Dept Army Pentagon, US Army Corp Of Engineers, Soldiers Airmens Home, Army Criminal Invest, Joint Staff, Fort Mcnair, Dept Air Force Pentagon, Defense Intelligence, Chief Naval Operation, Navy Annex, Bur Medicine Surgery, Anacostia, Anacostia Anx, Jbab, Joint Base Anacostia Bolling, Naval Station Anacostia, Naval Research Laboratory, Dept Navy Hq Marines Arl, Naval Intelligence Com, Dept Navy Other Offices, Marine Barrks, US Marine Corps Barracks, Navy Observatory, Navy Security Group, Naval Telecommunications Com, Naval Intelligence Support C, Gov Printing Office, Gpo Supt Of Documents, Gpo Field Serv Div, Gpo Procurement Div, Gen Services Admin, GSA Crystal City, GSA Region 3, Natl Archives And Records, Housing And Urban Dev, Hud Fed Housing Adm, Fha Comptroller, Housing Assistance Adm, Hud Fed Natl Mortgage, Office Personnel Mgmt, Small Business Admin, National Academy Of Science, Merit Systems Protection Bd, Veterans Admin, Veterans Benefits Office, Veterans Hospital, Surface Transportation Board, Fed Labor Relations Auth, Comm On Civil Rights, Federal Energy Reg Comm, Fed Mediation And Concil Ser, Civil Aeronautics Board, Federal Deposit Ins Corp, International Monetary Fund, World Bank, Resolution Trust Corporation, National Selective Service, International Trade Comm, US Court Appeal Fed Circuit, International Joint Comm, Inter Amer Defense Board, Court Of Military Appeals, Tennessee Valley Auth, Family Support Administratio, Arms Control And Disarm Agy, Comm Equal Oppor Armed Forc, National Credit Union Admin, Envir Protect Agency, Federal Election Comm, GSA Surplus Sales, GSA Consumer Products Info, GSA Tele Com Serv, Fed Emer Mngt Agncy, White House Ofc Of Vice Pres, White House Ofc Staff, Office Of Mgmt And Budget, National Security Counsel, Central Intelligence Agency, Exec Office Other Organ, Equal Emp Opportunity Comm, US Trade Representative, US Senate, Dir National Intelligence, US House Of Representatives, Dept Of State, State Department, Government Agency, Dept Of State Intrntl Div, Passport Office, Action, Peace Corps, Oversea Pvt Inves Corp, Dept Homeland Security, US Citizenship Immigration, Dept Justice, Law Enforce Assist Adm, Bureau Narc And Dngr Drugs, Bureau Of Prisons, Fbi, Immig And Naturalization Ser, FBI Identification Unit, Immig And Natural Records, Library Of Congress, Library Of Congress Card Div, Library Of Congress Handicap, US Supreme Court, Adm Office US Court, Natl Aero And Space Admin, US Information Agency, General Accounting Office, Securities And Exchange Comm, Federal Reserve Board, Cnsmr Fnncl Prtct Brd, Federal Aviation Agency, Fed Communications Comm, Nuclear Regulatory Comm, Lib Of Congress Licensing, US Copyright Office, Smithsonian Institute, National Gallery Of Art, John F Kennedy Center, Natl Labor Relations Board, Export Import Bank, National Mediation Board, Federal Maritime Commission, Adv Comm Inter Govt Relation, Natl Capitol Planning, Inter American Dev Bank, Farm Credit Admin, Foreign Claims Settlement, Federal Trade Comm, Commodity Futures Trade, Dept Energy, US Synthetic Fuel Corp, Dept Transportation, US Coast Guard, Natl Trans Safety Board, Armed Forces Inaugural Com and Pre Inaugural Committee.

Washington is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Core Based Statistical Area (CBSA). Its CBSA Code is 47900. It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Washington, DC have 360,248 Residential mailboxes and 21,172 Business mailboxes. There are 23,465 businesses with a total of 520,164 employees. That is an average of 22.2 employees per business. Annual payroll for these businesses is $51,478,135,000. Other Demographics