King William County Demographics

A map of King William County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	14,196	13,499	76.4%	75.8%
Black	2,795	2,585	15.0%	14.5%
Hispanic	612	476	3.3%	2.7%
Multiracial	608	759	3.3%	4.3%
Native American/Other	266	362	1.4%	2.0%
Asian	116	129	0.6%	0.7%

King William County, Virginia has an estimated population of 18,593, an increase from the 17,810 recorded in the 2020 Census. The population is 76.4% White, 15.0% Black, 3.3% Hispanic, 3.3% Multiracial, 1.4% Native American/Other, and 0.6% Asian. This demographic dot map shows the population of King William County, with one dot drawn for each person counted by the Census, color-coded by race.

King William has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than Virginia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In King William County, that probability was 40.2% in 2020 and 39.2% in the most recent ACS estimates.

King William County is ranked the 83rd most populous county in Virginia, out of 133 counties. King William County was ranked the 85th most populous county in the 2020 Census.

King William County's White Population

14,196 residents of King William County, or 76.4% of the population, identify as White. The share of White residents in King William County is significantly higher than in Virginia overall, where 58.4% of the population is White. King William County ranks 57th statewide in terms of White residents as a share of the population, out of 133 counties.

Since the 2020 Census, King William County's White population has grown by an estimated 5.2%. White residents' share of King William County's population has increased from 75.8% to 76.4%.

King William County is more White than neighboring King and Queen County (66.2% White), New Kent County (75.7% White), Essex County (53.2% White), Charles City County (44.6% White), and Henrico County (49.5% White).

King William County's Black Population

2,795 residents of King William County, or 15.0% of the population, identify as Black. The share of Black residents in King William County is slightly lower than in Virginia overall, where 18.3% of the population is Black. King William County ranks 59th statewide in terms of Black residents as a share of the population, out of 133 counties.

Since the 2020 Census, King William County's Black population has grown by an estimated 8.1%. Black residents' share of King William County's population has increased from 14.5% to 15.0%.

King William County is more Black than neighboring New Kent County (13.2% Black). King William County is less Black than neighboring King and Queen County (21.9% Black), Essex County (36.8% Black), Charles City County (40.5% Black), and Henrico County (29.1% Black).

King William County's Asian Population

116 residents of King William County, or 0.6% of the population, identify as Asian. The share of Asian residents in King William County is lower than in Virginia overall, where 6.9% of the population is Asian. King William County ranks 75th statewide in terms of Asian residents as a share of the population, out of 133 counties.

Since the 2020 Census, King William County's Asian population has declined by an estimated 10.1%. Asian residents' share of King William County's population has remained roughly unchanged at 0.6%.

King William County is more Asian than neighboring King and Queen County (0.1% Asian). King William County is less Asian than neighboring New Kent County (1.3% Asian), Essex County (1% Asian), Charles City County (1.1% Asian), and Henrico County (9.4% Asian).

King William County's Hispanic Population

612 residents of King William County, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in King William County is lower than in Virginia overall, where 11% of the population is Hispanic. King William County ranks 95th statewide in terms of Hispanic residents as a share of the population, out of 133 counties.

Since the 2020 Census, King William County's Hispanic population has grown by an estimated 28.6%. Hispanic residents' share of King William County's population has increased from 2.7% to 3.3%.

King William County is more Hispanic than neighboring Charles City County (2.1% Hispanic). King William County is less Hispanic than neighboring New Kent County (3.8% Hispanic), Essex County (4.6% Hispanic), and Henrico County (6.9% Hispanic).

King William County's Native American/Other Population

266 residents of King William County, or 1.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in King William County is comparable to the share in Virginia overall, where 0.8% of the population is Native American/Other. King William County ranks 2nd statewide in terms of Native American/Other residents as a share of the population, out of 133 counties.

Since the 2020 Census, King William County's Native American/Other population has declined by an estimated 26.5%. Native American/Other residents' share of King William County's population has decreased from 2.0% to 1.4%.

King William County is more Native American/Other than neighboring New Kent County (0.9% Native American/Other), Essex County (1% Native American/Other), and Henrico County (0.7% Native American/Other). King William County is less Native American/Other than neighboring Charles City County (6% Native American/Other).

King William County's Multiracial Population

608 residents of King William County, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in King William County is comparable to the share in Virginia overall, where 4.7% of the population is Multiracial. King William County ranks 53rd statewide in terms of Multiracial residents as a share of the population, out of 133 counties.

Since the 2020 Census, King William County's Multiracial population has declined by an estimated 19.9%. Multiracial residents' share of King William County's population has decreased from 4.3% to 3.3%.

King William County is less Multiracial than neighboring King and Queen County (7.1% Multiracial), New Kent County (5.1% Multiracial), Essex County (3.4% Multiracial), Charles City County (5.7% Multiracial), and Henrico County (4.4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.