County · Virginia
King William County, Virginia
King William County, Virginia. King William County had 19,617 residents in 2025 by the Census Bureau's estimate, up 10.1% since 2020, faster than Virginia (+2.9%). It holds 3 places (1 city, village or borough and 2 census-designated) and 4 census tracts. GEOID 51101.
King William County is one of the 17 counties of the Richmond, VA metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
19,617
Census Bureau estimate (no margin published)
2020 Census count: 17,810 · ACS 2020-2024: 18,593
Median household income
$86,056
±$7,056 (90% margin)
Virginia: $93,170
Median home value
$315,700
±$14,033 (90% margin)
Virginia: $383,700
Median gross rent
$1,166
±$163 (90% margin)
Virginia: $1,579
How many people live in King William County, and is it growing?
The 2020 Census counted 17,810 residents in King William County. The Census Bureau estimates 19,617 for July 1, 2025, up 10.1% since 2020, faster than Virginia (+2.9%). The 2020-2024 American Community Survey puts the population at 18,593 over 274 square miles of land.
| Measure | King William County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Total population | 18,593 | 8,705,170 | +1,905 |
| Households | 7,352±155 | 3,365,732 | +1,274 |
| Average household size | 2.52±0.05 | 2.52 | −0.22 |
| Housing units | 7,730±16 | 3,684,756 | +747 |
King William County's population since 2000
From 13,146 in 2000 to 19,617 in 2025: up 49.2%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in King William County?
King William County holds 3 places: 1 city, village or borough (an incorporated place) and 2 census-designated places. The largest is West Point with 3,595 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| West Point | 3,414 | $78,785 |
|---|---|---|
| Central Garage | 1,810 | $87,750 |
| King WilliamGEOID 5142792 | 276 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in King William County?
The median resident of King William County is 40.9 years old; 22.7% are under 18 and 16.8% are 65 or older. The largest group is non-Hispanic white residents at 76.4%, then non-Hispanic Black residents at 15.0%. 2.4% of residents were born outside the United States.
| Measure | King William County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median age | 40.9±0.8 | 39.0 | no clear change |
| Under 18 years | 22.7% | 21.7% | – |
| 65 years and over | 16.8%±0.2 pts | 16.7% | – |
| Hispanic or Latino (any race) | 3.3% | 11.0% | +0.7 pts |
| White alone, not Hispanic | 76.4%±0.5 pts | 58.4% | no clear change |
| Black or African American alone, not Hispanic | 15.0%±1.5 pts | 18.3% | no clear change |
| Asian alone, not Hispanic | 0.6%±0.6 pts | 6.9% | – |
| American Indian and Alaska Native alone, not Hispanic | 1.1%±0.3 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.3%±1.5 pts | 4.7% | – |
| Some other race alone, not Hispanic | 0.3%±0.5 pts | 0.6% | – |
| Born outside the United States | 2.4%±1.1 pts | 13.1% | no clear change |
| Speak a language other than English at home (age 5+) | 2.2%±1.0 pts | 17.4% | – |
| Civilian veterans (age 18+) | 10.8%±1.9 pts | 9.4% | – |
| With a disability | 12.8%±1.8 pts | 12.5% | – |
| No health insurance coverage | 5.3%±2.1 pts | 6.9% | no clear change |
| High school graduate or higher (age 25+) | 93.2%±1.7 pts | 91.6% | – |
| Bachelor's degree or higher (age 25+) | 23.0%±3.2 pts | 42.2% | no clear change |
| Graduate or professional degree (age 25+) | 6.7%±1.7 pts | 18.5% | – |
| Moved from another state in the past year | 0.3%±0.4 pts | 3.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in King William County earn?
Half of King William County's 7,352 households earn less than $86,056 a year (±$7,056), against $93,170 in Virginia. In 2015-2019 it was $82,440 in 2024 dollars; the margins of error cannot tell the two periods apart. 5.9% of residents live below the poverty line.
| Measure | King William County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $86,056±$7,056 | $93,170 | no clear change |
| Mean household income | $99,161±$5,406 | $128,260 | – |
| Per capita income | $39,260±$1,964 | $50,666 | no clear change |
| People below the poverty line | 5.9%±1.6 pts | 9.9% | no clear change |
| Children under 18 below the poverty line | 4.9%±3.4 pts | 12.3% | – |
| Households receiving SNAP | 6.8%±2.2 pts | 9.1% | – |
| Households with a broadband subscription | 78.4%±4.7 pts | 91.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in King William County?
Owners occupy 88.9% of King William County's occupied homes and renters 11.1%. The median owner-occupied home is valued at $315,700 by its owner (±$14,033). The median renter pays $1,166 a month including utilities, and 44.6% of renters pay 35% or more of their income on rent.
| Measure | King William County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $315,700±$14,033 | $383,700 | +$64,269 |
| Median gross rent | $1,166±$163 | $1,579 | no clear change |
| Renters paying 35% or more of income on rent | 44.6%±12.7 pts | 39.4% | no clear change |
| Median monthly owner costs, with a mortgage | $1,598±$47 | $2,127 | – |
| Owner-occupied homes | 88.9%±2.8 pts | 67.3% | no clear change |
| Housing units | 7,730±16 | 3,684,756 | +747 |
| Homeowner vacancy rate | 0.7%±0.8 pts | 0.8% | – |
| Rental vacancy rate | 0.2%±0.5 pts | 4.8% | – |
| Single-family detached homes | 90.7%±2.3 pts | 61.3% | – |
| Mobile homes | 3.0%±1.2 pts | 4.3% | – |
| Built 2020 or later | 3.7%±1.9 pts | 1.7% | – |
| Built 1939 or earlier | 9.7%±2.8 pts | 7.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is King William County building?
Builders took permits for 215 new housing units across King William County in 2025 (215 single-family), 11.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in King William County get to work?
79.5% of King William County's workers drive alone and 10.9% work from home. The average trip to work takes 36.4 minutes. The unemployment rate in 2020-2024 averaged 2.3%.
| Measure | King William County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 68.2%±2.4 pts | 65.4% | – |
| Unemployment rate | 2.3%±1.1 pts | 4.3% | no clear change |
| Drove alone to work | 79.5%±3.8 pts | 67.6% | – |
| Carpooled | 7.6%±2.9 pts | 8.0% | – |
| Public transportation | 0.1%±0.2 pts | 2.3% | – |
| Walked | 0.3%±0.3 pts | 2.1% | – |
| Worked from home | 10.9%±2.5 pts | 18.3% | +4.9 pts |
| Mean travel time to work | 36.4 min±2.0 | 27.3 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are King William County's census tracts?
King William County is divided into 4 census tracts. Among those with a reliable estimate, median household income runs from $78,472 (Tract 9503) to $98,813 (Tract 9501.02).
| Tract 9501.0151101950101 | 5,719±473 | $82,753 |
|---|---|---|
| Tract 9501.0251101950102 | 6,507±514 | $98,813 |
| Tract 950251101950200 | 2,837±401 | $83,989 |
| Tract 950351101950300 | 3,530±54 | $78,472 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does King William County compare with Virginia's other counties?
| Measure | Rank |
|---|---|
| Population | 83rd of 133 |
| Growth 2020-2025 | 10th of 133 |
| Residents per square mile | 88th of 133 |
| Median household income | 37th of 133 |
| Median home value | 48th of 133 |
| Median gross rent | 54th of 133 |
| Poverty rate | 121st of 133 |
| Bachelor's degree or higher | 83rd of 133 |
| Median age | 77th of 133 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for King William County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.