There are 43 zip codes in Fairfax County, Virginia. The most populated is 22030, located in Fairfax. * 2024 populations estimated based on the latest ACS 5-year data.

43 Rows

Zip Code
City
Population
22030Fairfax61,665
22003Annandale58,872
20171Herndon51,081
22015Burke44,959
20170Herndon43,557
20120Centreville43,315
22033Fairfax38,610
22079Lorton36,857
22309Alexandria36,265
22031Fairfax35,872
22042Falls Church34,860
22306Alexandria32,842
22153Springfield32,546
22101McLean30,729
22152Springfield30,155
22310Alexandria29,788
20191Reston29,758
22032Fairfax29,510
22315Alexandria29,358
22041Falls Church29,132
22102McLean28,356
22150Springfield27,734
20121Centreville27,428
22182Vienna26,892
22312Alexandria26,573
22180Vienna26,179
22043Falls Church25,843
20151Chantilly21,893
20190Reston21,121
22124Oakton18,449
22039Fairfax Station17,624
22066Great Falls16,925
22151Springfield16,827
22303Alexandria16,321
22181Vienna15,698
20124Clifton15,117
22044Falls Church14,042
22308Alexandria12,980
20194Reston12,576
22307Alexandria10,202
22060Fort Belvoir9,846
22027Dunn Loring1,974
22035Fairfax0

Fairfax County, Virginia Zip Codes by Population (2024)