King William County, Virginia Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
King William County, VA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around averageWealthier than 76% of counties in Virginia
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | King William County | Virginia Avg | U.S. Average |
|---|---|---|---|
| Population | 18,593 | 8,702,460 | 337,468,954 |
| Population density (per sq mi) | 65.0 | 203.3 | 86.4 |
| Population growth (%/yr) | 1.75% | 0.57% | 0.59% |
| Median age | 42.1 | 37.4 | 37.3 |
| Households | 7,352 | 3,364,625 | 130,235,071 |
Population in King William County grew by 19.8% from 2009 to 2024, reaching 18,593 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in King William County is Gen X, aged 45–60, at 21.6% of residents. That is 1.1 points above Virginia as a whole.
- Gen Z 13–28 3,637 19.6% -1.8 pts
- Millennials 29–44 3,982 21.4% -1.0 pts
- Gen X 45–60 4,012 21.6% +1.1 pts
- Boomers 61–79 3,226 17.3% +0.8 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Virginia, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.0% of the people living in King William County and men 49.0%.
- Women 51.0% Virginia 50.6%
- Men 49.0% Virginia 49.4%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in King William County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
King William County has a the economy index of B, which means it is quite prosperous.
| Metric | King William County | Virginia Avg | U.S. Average |
|---|---|---|---|
| Median household income | $87,281 | $93,527 | $80,455 |
| Income growth (%/yr) | 3.52% | 4.33% | 4.80% |
| Unemployment rate | 2.3% | 4.1% | 5.2% |
The median household income in King William County is about 7% lower than in Virginia.
Housing
| Metric | King William County | Virginia Avg | U.S. Average |
|---|---|---|---|
| Median home price | $415,384 | $256,082 | $248,835 |
| Median rent | $1,166 | $1,579 | $1,407 |
| Homeownership rate | 88.9% | 67.3% | 65.2% |
The median home price in King William County is about 29.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,166 per month for that long.
Commute Time & Mobility
Commuters in King William County spend about 68 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 282 hours, about 11.7 full days, spent commuting.
| Metric | King William County | Virginia Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 33.8 | 23.2 | 22.4 |
| Round-trip commute (min) | 67.6 | 46.3 | 44.8 |
| Yearly time spent (hours) | 282 | 193 | 187 |
| Estimated yearly cost | $8,737 | $5,986 | $5,790 |
| Work from home | 10.9% | 18.3% | 15.0% |
| Highway traffic (vehicles/day) | 14,376 | 10,059 | 8,813 |
| Local road traffic (vehicles/day) | 768 | 1,531 | 1,355 |
Fastest commutes among counties in
Virginia:
Lexington city (10.6 min), Covington city (12.2 min), Norton city (13.1 min).
Slowest:
Amelia County (43.7 min), Craig County (41.3 min), Buckingham County (41.3 min).
The average commute time in King William County is 34 minutes, longer than the 23 minutes in Virginia.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
King William County has a education index of D, which means it is barely educated.
| Metric | King William County | Virginia Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 23.2% | 37.7% | 31.6% |
| Average household size | 2.52 | 2.52 | 2.53 |
Highest education index among counties in
Virginia:
Falls Church city (0.6), Arlington County (0.6), Alexandria city (0.5).
Lowest:
Greensville County (0.2), Lunenburg County (0.2), Buchanan County (0.2).
Health
King William County has a health index of B, which means it is quite healthy.
| Metric | King William County | Virginia Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.9 | 77.3 | 78.3 |
| Self-rated poor health | 14.9% | 16.9% | 16.3% |
| Smokers | 18.8% | 19.0% | 19.0% |
Highest health index among counties in
Virginia:
Falls Church city (0.8), Arlington County (0.8), Fairfax County (0.8).
Lowest:
Emporia city (0.7), Petersburg city (0.8), Galax city (0.8).
King William County, VA Compared With Nearby Counties
How King William County, VA compares with the 2 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| King William County, VA | 18,593 | $87,281 #3/3 | $415,384 #2/3 | 33.8 min #3/3 |
| New Kent County, VA | 25,099 | $123,257 | $450,000 | 31.4 min |
| Henrico County, VA | 335,485 | $89,133 | $316,992 | 20.8 min |
Frequently Asked Questions
Common questions about King William County, Virginia.
What is the population of King William County, Virginia?
About 18,593 people live in King William County, Virginia, in 7,352 households of 2.5 people on average. The median age is 42.1, so residents are older than the U.S. median of 37.3 by about 5 years.
How densely populated is King William County, Virginia?
Averaged over its land area, King William County, Virginia has 65 people per square mile, a density typical of rural areas. That is close to the U.S. average of 86.
Is King William County, Virginia an affordable place to live?
The median home costs 4.8 times the median household income ($415,384 against $87,281), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,166 a month takes about 16% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in King William County, Virginia?
Unemployment in King William County, Virginia is only 2.3%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in King William County, Virginia?
23.2% of adults in King William County, Virginia hold a bachelor's degree or higher (about 1 in 4), well below the U.S. share of 31.6%.
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