Emporia is an independent city in the Commonwealth of Virginia, surrounded by Greensville County, United States. Emporia and a preā¦Emporia is an independent city in the Commonwealth of Virginia, surrounded by Greensville County, United States. Emporia and a predecessor town have been the county seat of Greensville County since 1791. As of the 2020 census, the population was 5,766, making it the third-least populous city in Virginia. The Bureau of Economic Analysis combines the city of Emporia with surrounding Greensville County for statistical purposes. The town has become notorious for being a major speed trap.