To help your business with general information for Fairfax County. We’ve put together this list of resources to help make your search for relevant data more accessible.
General statistics
Population of Fairfax County: 1,119,000
Largest City: Herndon (population – 23,292)
Land area in square miles: 390.97
Number of people per square mile: 2,767
Population Race: Caucasian (67.7%), Asian (18.4%), Latino (16.1%), African American (9.7%), Multiracial (3.3%), American Indian (.7%)
Number of businesses: 109,512
Number of hotel rooms: >17,000
Interesting facts: Fairfax County has the 2nd highest median household income ($105,797) in the United States, after neighbor Loudoun County. It is home to ten Fortune 500 companies, including three based in Falls Church.
Fairfax County also is home to five regional malls totaling nearly 7 million square feet of space, dozens of retail centers, hundreds of freestanding shops and more than 500 restaurants.* The largest retail markets are Tysons Corner, Fairfax Center and Springfield, followed by Baileys Crossroads/Seven Corners and Richmond Highway–each offering a diverse array of shopping and dining.
*Source: Fairfax County Economic Development Authority and Visit Fairfax.
Business Licenses and Taxes Quick Reference Guide
Fairfax County Courthouse / Map 
/ Parking
4110 Chain Bridge Road
Fairfax, VA 22030
Fairfax Tax Department Office
Government Center / Map and Directions
12000 Government Center Parkway
Fairfax, VA 22035
Offices of note include: Tax Administration, Human Resources, Office of Elections, Public Works & Environmental Services (Stormwater, Wastewater and Solid Waste); Board of Supervisors and Planning Commission meet in the Board Auditorium
Fairfax Board of Supervisors
Chairman, At-Large — Sharon Bulova
Districts - Supervisors