King William: Demographics & People
About 85 people live in King William, in 30 households. Population shrank 43.7% from 151 (2022) to 85 (2024). Median age 40.0 years. (0.9y younger than King William County; 2.2y older than Virginia). Children under 18 are 28% of the population. Population is 100% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 100% of households are family-led. County is gaining 918 residents per year (2022-2023). County health: 38% adult obesity, 17% smoke.
- 2.8 people per household (vs Virginia avg 2.6).
- 0% non-family households (singles, roommates) (vs Virginia 35%).
Population & Trend
Population shrank 43.7% from 151 (2022) to 85 (2024). Estimated 2026 population: ~51 (extrapolated at -21.9%/yr trend). Census Bureau Vintage estimate: 22.
| Census data vintage | 2024 |
|---|---|
| Population | 17,810 people |
| Annual growth rate · Population change | -43.7% |
| Annual growth rate · Population (2022) | 151 |
| Annual growth rate · Population (2024) | 85 |
| Annual growth rate · Trend category | shrinking |
| Population | 85 people (vs Virginia 42,214) |
| Population Estimate | 22 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 40.0y is 1.1 years older than the U.S. median (38.9y). Children under 18 make up 28% — above the U.S. share of ~22%.
| Age Summary · Median age | 40.0 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 28.2% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 85 |
| Age Summary · Under 18 | 24 |
| Age Summary · 18 To 34 | 6.0× |
| Age Summary · 35 To 64 | 55.0× |
| Age Summary · Pct Under 18 | 28.2% |
| Population under 18 | 24 |
| Median age | 40.0 years (vs Virginia 37.8y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 85 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.00 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 151 |
|---|---|
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 1 |
| Diversity Index · Largest group share | 100.0% |
| White (non-Hispanic) population | 100.0% (vs Virginia 53.8%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (4)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 55 |
|---|---|
| Residents born in another state | 30 |
| Share born in this state | 64.7% |
| Share born in another state | 35.3% |
| Native-born U.S. citizens | 35.3% |
| Total foreign-born residents | 418 |
Households & Family Composition
30 households. Averaging 3.1 people each — larger than the U.S. average of 2.5. 100% are family households — above the U.S. share of ~65%. Of 40 families, 2% are married couples with children.
| Children under 18 | 46 |
|---|---|
| Total families | 40 |
| Married couples with children | 1 |
| Average household size | 3.08 |
| Women who gave birth (past year) | 9.1% |
| Grandparents living with grandchildren | 9 |
| Family households | 30 households (vs Virginia 9,367) |
| Households that are families | 100.0% (vs Virginia 65.0%) |
| Total households | 30 households (vs Virginia 14,324) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. The surrounding county is gaining 918 residents per year on net (IRS migration data).
| Lived in same home a year ago | 85.0% |
|---|---|
| Migration · People moving in (annual) | 18,790 |
| Migration · People moving out (annual) | 17,872 |
| Migration · Net migration (in − out) | 918 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 6 |
|---|---|
| Disability rate | 3.9% |
Other
| Congressional District · District | 1 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 51101 |
| Cdc Birth Rate · State Fips | 51 |
| Cdc Birth Rate · County Fips | 101 |
| Cdc Birth Rate · County | King William |
| Cdc Birth Rate · Birth Rate | 12.8% |
| Cdc Birth Rate · Lower Ci | 9.00 |
| Cdc Birth Rate · Upper Ci | 17.50 |
| Cdc Mortality · Fips | 51101 |
| Cdc Mortality · County | King William County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 373 |
| Cdc Vaccination · Fips | 51101 |
| Cdc Vaccination · County | King William County |
| Cdc Vaccination · Dose1 Pop Pct | 58.4% |
| Cdc Vaccination · Series Complete Pct | 53.2% |
| Cdc Vaccination · Booster Pct | 40.5% |
| Cdc Vaccination · Population 2019 | 17,148 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 4.30 |
| Family Score · Schools | 5 |
| Family Score · Childcare Centers | 1 |
| Family Score · Youth Sports Orgs | 1 |
| Family Score · Children Pct | 28.2% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 85, shrinking, established, high crime, heritage: English/American |
| Town Summary · Population | 85 people (vs Virginia 42,214) |
| Town Summary · County | King William County |
Sources: NCES school congressional district assignment · federal dataset cascade