| King William, Virginia | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Virginia#USA |
| Pushpin Label: | King William |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Virginia and the United States |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | King William |
| Unit Pref: | Imperial |
| Area Total Km2: | 11.9 |
| Area Land Km2: | 11.9 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2010 |
| Population Total: | 252 |
| Population Density Km2: | 21.1 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 142 |
| Coordinates: | 37.6875°N -77.0136°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 23086 |
| Blank Name: | FIPS code |
| Blank Info: | 51-42792 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1498501 |
King William is a census-designated place (CDP) in and the county seat of King William County, Virginia, United States.[1] The population as of the 2010 census was 252.[2] Located in King William is the oldest courthouse in continuous use in the United States, built in 1725. The community is also known as King William Courthouse or, by an alternative spelling, King William Court House.
The King William County Courthouse, King William Training School, Sharon Indian School, and Sweet Hall are listed on the National Register of Historic Places.
King William is slightly east of the center of King William County, along Virginia State Route 30. It is northwest of West Point and by road east of Richmond.
According to the U.S. Census Bureau, the CDP has an area of 11.9sqkm, of which 1588order=flipNaNorder=flip, or 0.01%, are water. King William is 2miles south of Horse Landing, a small community on the tidal Mattaponi River.
The Pamunkey Indian Reservation is located 10miles south of King William, and the Pamunkey Indian Tribe Museum was established on the reservation in 1979. The chiefs Wahunsonacock and Opechancanough are buried on the Pamunkey Indian Reservation near railroad tracks.