With 18,593 people, King William County is a county in Virginia. Owners hold 89% of the housing stock. Few US counties rank higher on income. The population is up 41% since 2000. Four-year degrees are less common here than nationally, at 23% of adults. 2% of residents were born outside the United States.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)32.2%(501)
US avg: 26.4%
Gulf War (1990s)37.3%(581)
US avg: 24.3%
Vietnam era21.1%(329)
US avg: 33.1%
Korean War5.4%(84)
US avg: 4.5%
World War II0.9%(14)
US avg: 1%
Share of the 1,556 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
How many people live in King William County, Virginia?
King William County, Virginia has about 18,593 residents according to the 2024 American Community Survey.
What is the median household income in King William County, Virginia?
The typical household in King William County, Virginia earns about $86,056 a year. Half of households make more than that, and half make less.
Is King William County, Virginia expensive?
In King William County, Virginia, the median home is worth about $315,700, and the typical rent is about $1,166 a month.
How educated are people in King William County, Virginia?
About 23.0% of adults age 25 and over in King William County, Virginia hold a bachelor's degree or higher.
What is the poverty rate in King William County, Virginia?
About 5.9% of people in King William County, Virginia live below the federal poverty line.
Has King William County, Virginia grown since 1990?
Yes, King William County, Virginia has grown since 1990. The population has added about 7,680 residents, a change of about 70 percent over that period.