New Castle: Demographics & People

Census counts 138 people in New Castle, in 49 households. Population grew 11.3% from 124 (2022) to 138 (2024). Median age 29.3 years. (17.0y younger than Craig County; 8.5y younger than Virginia). Children under 18 are 18% of the population. Population is 99% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 57% of households are family-led. County health: 36% adult obesity, 20% smoke.

Population & Trend

Population grew 11.3% from 124 (2022) to 138 (2024) — about 18.8× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~154 (extrapolated at 5.6%/yr trend). Census Bureau Vintage estimate: 177.

Census data vintage2024
Population4,892 people
Annual growth rate · Population change11.3%
Annual growth rate · Population (2022)124
Annual growth rate · Population (2024)138
Annual growth rate · Population growingYes
Annual growth rate · Trend categorybooming
Population138 people (vs Virginia 42,214) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate177

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 29.3y is 9.6 years younger than the U.S. median (38.9y). Children under 18 make up 18% — below the U.S. share of ~22%.

Age Summary · Median age29.3 years (vs Virginia 37.8y)
Age Summary · Children Pct18.1%
Age Summary · Characteryoung community
Age Summary · Total Pop138
Age Summary · Under 1825
Age Summary · 18 To 3453.0×
Age Summary · 35 To 6447.0×
Age Summary · 65 Plus13
Population under 1825
Median age29.3 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 138 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 residents123
Diversity Index · Diversity labelrelatively homogeneous
Diversity Index · Groups counted1
Diversity Index · Largest group share100.0%
White (non-Hispanic) population99.3% (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 (6)

(unnamed)
Irish
(unnamed)
German
(unnamed)
American
(unnamed)
Italian
(unnamed)
Polish
(unnamed)
English

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 2.9% are foreign-born — below the U.S. average of 13.9%. 1% have naturalized to U.S. citizenship.

Residents born in this state102
Residents born in another state30
Share born in this state73.9%
Share born in another state26.1%
Native-born U.S. citizens21.7%
Foreign-born residents2.9%
Naturalized citizens1.4%
Total foreign-born residents36

Households & Family Composition

49 households. Averaging 2.7 people each — larger than the U.S. average of 2.5. 57% are family households — below the U.S. share of ~65%. Of 31 families, 48% are married couples with children.

Children under 1835
Total families31
Married couples with children15
Single-parent households3
Average household size2.70
Women who gave birth (past year)9.9%
Grandparents living with grandchildren1
Family households28 households (vs Virginia 9,367)
Households that are families57.1% (vs Virginia 65.0%)
Total households49 households (vs Virginia 14,324) total_households: 4 observations from 2026-04-23 to 2026-04-29

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Residential Stability & Migration

How long residents have lived here and where they came from. 9.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%.

Moved within the county (past year)9.6%
Migration · People moving in (annual)4,377
Migration · People moving out (annual)4,395
Migration · Net migration (in − out)-18
Migration · Year2022-2023

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 disability2
Disability rate0.9%

Other

Congressional District · District9
Congressional District · Congress118th
Cdc Birth Rate · Fips51045
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips045
Cdc Birth Rate · CountyCraig
Cdc Birth Rate · Birth Rate24.6%
Cdc Birth Rate · Lower Ci15.50
Cdc Birth Rate · Upper Ci37.20
Cdc Mortality · Fips51045
Cdc Mortality · CountyCraig County
Cdc Mortality · Urban RuralMedium metro
Cdc Mortality · Total Deaths 2020 2023131
Cdc Vaccination · Fips51045
Cdc Vaccination · CountyCraig County
Cdc Vaccination · Dose1 Pop Pct38.4%
Cdc Vaccination · Series Complete Pct33.3%
Cdc Vaccination · Booster Pct9.6%
Cdc Vaccination · Population 20195,131
Cdc Vaccination · Metro StatusMetro
Family Score · Score2.00
Family Score · Schools2
Family Score · Children Pct18.1%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 138, booming, young community, upper-middle, white collar
Town Summary · Population138 people (vs Virginia 42,214)
Town Summary · CountyCraig County

Sources: NCES school congressional district assignment · federal dataset cascade