• county
  • FIPS 51101
  • Largest town: West Point

King William County, Virginia

King William County had 19,232 residents in the Census Vintage 2024 estimate, on 273.9 square miles of land. It ranks 82nd of 133 in Virginia by population and 73rd by land area.

Population
19,232
#82 of 133 in Virginia · #1,871 in US
Area
273.9 sq mi
#73 of 133 in Virginia · #2,858 in US
Density
70 / sq mi
#86 of 133 in Virginia · #1,181 in US
Median household income
$88,124
#31 of 133 in Virginia · #273 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

King William County within Virginia. Pin: Richmond.

Measure from here

Tools and pages that start from King William County

King William County population, land area and income

King William County had 19,232 residents in the Census Vintage 2024 estimate, on 273.9 square miles of land. It ranks 82nd of 133 in Virginia by population and 73rd by land area. That works out to 70.2 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Virginia has 27,800 residents; King William County is somewhat smaller.

Its SAIPE 2023 median household income of $88,124 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

19,232

3144th1st

1871st of 3,144 (US)

Land area

274 sq mi

3144th1st

2858th of 3,144 (US)

Density

70.2 / sq mi

3144th1st

1181st of 3,144 (US)

Median household income

$88,124

3143rd1st

273rd of 3,143 (US)

Rank within Virginia (133)

Population

19,232

133rd1st

82nd of 133 (VA)

Land area

274 sq mi

133rd1st

73rd of 133 (VA)

Density

70.2 / sq mi

133rd1st

86th of 133 (VA)

Median household income

$88,124

133rd1st

31st of 133 (VA)

How King William County's population changed since 2020

King William County gained 1,310 residents between the July 2020 and July 2024 estimates, a rise of 7.3%. That ranks 9th of 133 in Virginia for growth. The median Virginia county changed by +1.3%, and the state as a whole by +2.0%.

Since the April 2020 estimates base, King William County recorded 948 births and 818 deaths, a natural change of +130. Net international migration added +41 and net domestic migration, people moving to or from other US counties, came to +1,238. The largest single component was domestic migration, which added 1,238 people.

17.9k202018.2k202118.5k202219.0k202319.2k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
948
Deaths
818
Net international migration
+41
Net domestic migration
+1,238
Change, July 2023 to July 2024
+197

Where King William County is

The Census internal point of King William County is at 37.708300, -77.091100. It sits in UTM zone 18N. The map shades Virginia's 133 county-equivalents by population change from 2020 to 2024, darker for faster growth, with King William County outlined. Dots are towns of 1,000+ people with residents in it.

Martinsville city: +2.7%Norton city: -5.5%Charlottesville city: -3.6%Winchester city: -0.7%Bristol city: -5.7%Manassas Park city: -3.2%Fluvanna County: +5.3%Clarke County: +5.3%Lunenburg County: +0.9%Colonial Heights city: +2.8%Franklin city: +2.8%Lexington city: +6.7%Petersburg city: +2.0%Suffolk city: +8.8%Emporia city: -5.1%Middlesex County: +3.2%Fairfax city: +8.9%Fredericksburg city: +7.1%Floyd County: +1.2%Radford city: +7.2%Waynesboro city: +5.5%Hopewell city: -0.2%Staunton city: +2.1%Buena Vista city: -0.6%Covington city: -1.4%Poquoson city: +3.1%Madison County: +2.8%Falls Church city: +2.4%Franklin County: +2.1%Mecklenburg County: +1.8%Smyth County: -2.2%Pittsylvania County: -1.6%Frederick County: +6.7%Russell County: -1.3%Nottoway County: -0.1%Scott County: -0.9%Mathews County: +1.0%Stafford County: +7.1%Goochland County: +13.5%Henrico County: +1.1%Caroline County: +8.2%Prince George County: +1.2%Prince William County: +2.9%Cumberland County: +4.0%Essex County: +0.8%Fairfax County: +1.1%Henry County: -2.9%Carroll County: +0.3%Grayson County: -0.1%Louisa County: +11.4%James City County: +5.5%Albemarle County: +4.2%Lynchburg city: +1.7%King William County: +7.3%Charles City County: -2.7%Northumberland County: +4.7%Alexandria city: -0.0%Salem city: +2.0%Galax city: +0.3%Isle of Wight County: +5.8%Newport News city: -1.6%Tazewell County: -3.8%Amherst County: +1.1%Manassas city: +2.2%Buckingham County: +1.7%Shenandoah County: +2.7%Richmond city: +3.0%Alleghany County: -3.7%Culpeper County: +6.4%Warren County: +4.1%Northampton County: -1.7%Southampton County: -0.1%Portsmouth city: -1.5%Rockingham County: +4.6%Orange County: +7.1%Sussex County: -0.4%Bland County: -1.1%Chesapeake city: +2.1%Harrisonburg city: -1.0%Powhatan County: +6.4%Virginia Beach city: -1.1%Dinwiddie County: +2.5%Campbell County: -0.5%Gloucester County: +3.7%Greene County: +5.5%Page County: -0.0%Halifax County: -1.4%Hanover County: +4.6%Buchanan County: -8.0%Highland County: +4.8%Surry County: +0.4%Westmoreland County: +3.9%Wythe County: -0.8%Greensville County: -2.2%Roanoke city: -2.0%Loudoun County: +4.9%Spotsylvania County: +8.1%Brunswick County: -0.5%King George County: +7.4%Bedford County: +3.3%Patrick County: -1.6%Lancaster County: +1.4%Nelson County: +0.2%Montgomery County: -0.6%Amelia County: +3.4%York County: +1.7%Norfolk city: -2.8%Williamsburg city: +3.6%Bath County: -2.8%Accomack County: +0.0%Washington County: +0.4%Pulaski County: -0.7%Rockbridge County: -1.3%Roanoke County: +0.4%Wise County: -3.0%Fauquier County: +3.9%Craig County: -1.0%Charlotte County: -2.4%Richmond County: +3.3%Lee County: -1.5%Chesterfield County: +6.7%Danville city: -1.4%King and Queen County: +2.4%Prince Edward County: +1.7%Hampton city: +0.2%Appomattox County: +4.9%Botetourt County: +1.5%Arlington County: +0.4%Rappahannock County: +2.1%New Kent County: +17.7%Augusta County: +1.3%Giles County: -1.5%Dickenson County: -4.7%
Change 2020 to 2024
  1. < -1.4%
  2. < +0.3%
  3. < +2.1%
  4. < +4.7%
  5. ≥ +4.7%
no data

Orange pin: King William County internal point. Dark pin: Richmond.

Internal point

Decimal
37.708300, -77.091100
DMS
37°42'29.88"N 77°05'27.96"W
UTM
18N 315671.8E 4175509.0N
Geohash
dq9nt8xfz
Plus code
8794PW55+8H

Towns in King William County

One incorporated place of 1,000+ people has residents in King William County, 3,529 people together, or 18% of the county. Each figure counts only the part of the town inside King William County; towns marked "part" extend into another county. The largest is West Point with 3,529.

  1. 01West Point3,529
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering King William County

The Census 2024 county adjacency file lists 4 neighbors for King William County. The most populous is Hanover County, VA, with 115,309 residents. Distances run between Census internal points in a straight line.

Distance to Richmond and the nearest big city

Richmond is 22.1 miles WSW of King William County's internal point in a straight line. The nearest place of 100,000 or more is Richmond, VA (population 233,655), 24.4 miles away.

King William County FIPS code

The FIPS code of King William County is 51101: state code 51 for Virginia plus county code 101. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $88,124.

Questions people ask

What is the population of King William County, Virginia?

The Census Vintage 2024 estimate for July 1, 2024 is 19,232. That is up 1,310 people (7.3%) from the July 2020 estimate of 17,922.

What is the FIPS code of King William County?

51101. The first two digits (51) are Virginia; the last three (101) identify the county.

What is the largest town in King William County?

West Point, with 3,529 residents inside King William County in 2024.

Which counties border King William County?

4 county-equivalents border it in the Census 2024 adjacency file: Hanover County, VA; Caroline County, VA; New Kent County, VA; King and Queen County, VA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.