![](https://www.vaco.org/wp-content/uploads/KingWilliam-county-seal.png)
![](https://www.vaco.org/wp-content/uploads/KingWilliam-county-seal.png)
County Courthouse
![](https://www.vaco.org/wp-content/uploads/2022/09/KingWilliamCounty-1024x680-1.jpeg)
County Details
County Seat: King William
Year Organized: 1702
Total Square Miles: 274
2020 Population: 17,810
Persons/Square Mile: 65
County Structure
Government Type: County
Authority: Dillon’s Rule
Legislative Body: Board of Supervisors
Size of Legislative Body: 5