location fairfax county is situated in the northeastern corner of virginia south potomac river and west washington dc consisting 395 square miles rolling hills coastal plains largest terms population known as a major center for us international corporate headquarters technical professional service firms trade organizations highly skilled educated labor force coupled with well integrated transportation network including access to three airports positions continued business growth expansion located 10 from downtown 106 north richmond state capital 45 southwest baltimore maryland 192 northwest norfolk part arlington alexandria metropolitan statistical area msa community profile economic development partnership 1 every reasonable effort has been made assure accuracy this report through use standardized reliable data sources however provides information therefore assumes no liability arising or market