The Arlington County Fair is a non-profit volunteer-driven organization that embraces a diverse community by educating, entertaining, and showcasing the best of Arlington.

In recent years, attendance has reached over 84,000 as people come from Arlington, Northern Virginia, and the DC Metro region to enjoy competitive exhibits, midway rides and games, entertainment, vendors, and more. Each year Thomas Jefferson Community Center is transformed into a special place with something for everyone to see. Admission is free, there is a cost for some activities.