King William County, VA Demographics
King William County, VA is the 85th most populous of 133 counties in Virginia, with 17,810 residents across 274 square miles. That is about 65 people per square mile.
At the 2020 census
| Population | 17,810 |
|---|---|
| Land area | 274 sq mi |
| Density | 65 / sq mi |
Data: 2020 Census · American Community Survey 2024
How King William County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: King William County, VA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around King William County, VA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in King William County, VA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 9501.02 | 6,702 | 74.5 | 90 |
| Census Tract 9501.01 | 5,043 | 92.1 | 55 |
| Census Tract 9503 | 3,509 | 7.3 | 480 |
| Census Tract 9502 | 2,556 | 100.0 | 26 |
Related places
Other counties nearby
Nearest counties
Metro areas containing King William County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.