King William County, Virginia
King William County, Virginia, has 19,617 residents (July 2025 estimate). Its county seat is King William. It uses Eastern Time and covers 274 sq mi (709 km²) of land.
- Resident population, July 2025
- 19,617
- Land area
- 274 sq mi (709 km²)
- County seat or government
- King William
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $86,056 ± $7,056
- Median home value
- $315,700 ± $14,033
- Median rent, with utilities
- $1,166 ± $163
- Homes lived in by their owners
- 88.9% ± 2.7 points
- County type
- County
- Metro or micro area
- Richmond, VA metro areaOutlying county
- Water area
- 12 sq mi (31.1 km²)
- State
- Virginia
- County code (FIPS)
- 51101
- Coordinates (central point)
- 37.708260, -77.091054
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in King William County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Eastern TimeAmerica/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
6 ZIP Code areas overlap King William County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
King William County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Magisterial districts in King William County, largest first
- Acquinton District9,098 people
- West Point District6,057 people
- Mangohick District3,438 people
People counts are American Community Survey 2020–2024 5-year estimates. All magisterial districts in Virginia, by county
School districts in King William County, largest first
- King William County Public Schools15,113 people
- West Point Town Public Schools3,480 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Tribal areas in King William County, largest first
- Pamunkey (state) Reservation118 people
- Mattaponi (state) Reservation48 people
American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- West Point, Virginia (town)3,480 people
- Central Garage, Virginia (CDP)1,864 people
- King William, Virginia (CDP)85 people
Bordering areas, nearest first
Distances are straight lines between map points.
- King and Queen County, Virginia10 mi east
- New Kent County, Virginia15 mi south
- Hanover County, Virginia22 mi west
- Caroline County, Virginia26 mi northwest
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
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