How many people live in King William County, VA?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 19,200 people living in King William County, VA. That makes King William County the 82nd-most populous county in Virginia. It is home to 0.22% of people living in the state.
19.2K
population of King William County, VA (2024)
0.22%
County share of the Virginia population (2024)
About 19,200 people lived in King William County, VA in 2024.
Population estimates, 2000–2024
What are King William County, VA’s age demographics?
About 3,400 King William County residents are aged 65 and older in 2024. That represents 17.6% of its population. For comparison, the age group represents 17.8% of Virginia’s population and 18% in the US overall.
Another 4,300 King William County residents, or 22.2% of the population, were children under 18. For comparison, the age group represents 21.6% of Virginia’s population and 21.6% in the US overall.
A lower share of King William County, VA's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are King William County, VA’s racial and ethnic demographics?
Non-Hispanic white residents make up 76.3% of the King William County population, higher than the national share of 57.5%. King William County also has a larger share of people identifying as non-Hispanic Black or African American (14.6%) than the US overall (12.6%).
In contrast, King William County’s Hispanic population accounts for 3.7%, below the 20% nationwide, and the non-Hispanic Asian population makes up 1.3% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
King William County, VA has a higher share of a non-Hispanic white population than Virginia as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in King William County, VA is West Point with about 3,500 residents in 2024.
Cities and towns in King William County, VA ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | West Point | 3,529 |
| 2. | Balance of King William County | 15,703 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
