Henrico County, officially the County of Henrico, is a county located in the Commonwealth of Virginia in the United States. As of the 2020 census, the population was 334,389 making it the fifth-most populous county in Virginia. Henrico County is included in the Greater Richmond Region. There is no incorporated community within Henrico County; therefore…Henrico County, officially the County of Henrico, is a county located in the Commonwealth of Virginia in the United States. As of the 2020 census, the population was 334,389 making it the fifth-most populous county in Virginia. Henrico County is included in the Greater Richmond Region. There is no incorporated community within Henrico County; therefore, there is no incorporated county seat either. Laurel, an unincorporated CDP, serves this function.