Henrico County (formerly Henrico Shire) /hɛnˈraɪkoʊ/, officially the County of Henrico, is a county located in the Commonwealth of Virginia. As of the 2010 census, the population was 306,935, in 2013, the population was estimated to be 316,973, making it the fifth-most populous county in Virginia. Its county seat is Henrico, Virginia. Established as the Citie of Henricus in 1611 by the Virginia Company, Henrico became one of the eight original English shires (counties) in 1634. It is one of the oldest counties in the United States.
Henrico County is included in the Richmond, VA Metropolitan Statistical Area.
The incorporated city of Richmond was officially part of Henrico County until a state constitutional change in 1871 made all incorporated cities in Virginia independent cities. The land within Henrico County surrounds the independent city of Richmond to the west, north, and east. The shape of Henrico County curves around the northern side of the city of Richmond. Bordering the city of Richmond on the west, north, and east, the county of Henrico lies between the James and Chickahominy rivers, and constitutes approximately a third of the Richmond metropolitan area. Today, Henrico's over one-quarter of a million residents live in planned communities of 244.06 square miles consisting of residential communities, farm land, office parks, retail, and diversified industrial areas.
Richmond International Raceway is located in the central portion of Henrico County near Mechanicsville, Hanover County, Virginia, just north of the Richmond corporate limits. Additionally, Richmond International Airport is located in the eastern portion of Henrico County.