Fairfax County
Highest standards of living in the world, one of the highest median family income levels in the nation, access to one of the best public school systems in the country, 34,000 payroll establishments and almost 600,000 people work here. This is the second-largest suburban commercial real estate market in the nation. The county population now tops 1.1 million. Fairfax County is home to more than 300 trade associations, more than 400 foreign-owned companies from 45 countries, Eight Fortune 500 firms call Fairfax County home. Washington Dulles International Airport, the largest four-year and two-year institutions of higher learning in Virginia (George Mason University and Northern Virginia Community College), some of the best shopping venues on the east coast, and the cultural opportunities made possible by a growing and diversifying population and proximity to nearby Washington D.C. make Fairfax County the most preferred place to live and work.
Source: https://www.fairfaxcountyeda.org