 The county has a total area of 223 square miles (579 km²), of which 210 square miles (543 km²) is land and 14 square miles (36 km²) (6.23%) is water.The Chickahominy River borders the county to the south, the Pamunkey and York rivers border it to the north and east.As of the 2010 United States Census, there were 18,429 people in the county.