Grundy: Demographics & People
Grundy's population stands at 872 people, in 391 households. Population grew 11.5% from 782 (2022) to 872 (2024). Median age 52.1 years. (4.3y older than Buchanan County; 14.3y older than Virginia). Children under 18 are 23% of the population. Population is 72% White (non-Hispanic) and 14% Asian. The community is relatively homogeneous (Simpson index 0.18). 39% of households are family-led. County is losing 377 residents per year (2022-2023). County health: 45% adult obesity, 26% smoke.
- 2.2 people per household (vs Virginia avg 2.6).
- 61% non-family households (singles, roommates) (vs Virginia 35%).
- 98 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Population grew 11.5% from 782 (2022) to 872 (2024) — about 19.2× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~975 (extrapolated at 5.8%/yr trend). Census Bureau Vintage estimate: 1,124.
| Census data vintage | 2024 |
|---|---|
| Population | 20,355 people |
| Annual growth rate · Population change | 11.5% |
| Annual growth rate · Population (2022) | 782 |
| Annual growth rate · Population (2024) | 872 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 872 people (vs Virginia 42,214) |
| Population Estimate | 1,124 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 52.1y is 13.2 years older than the U.S. median (38.9y). Children under 18 make up 23% — above the U.S. share of ~22%.
| Age Summary · Median age | 52.1 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 23.3% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 872 |
| Age Summary · Under 18 | 203 |
| Age Summary · 18 To 34 | 147.0× |
| Age Summary · 35 To 64 | 293.0× |
| Age Summary · 65 Plus | 229 |
| Population under 18 | 203 |
| Median age | 52.1 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 872 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.18 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 683 |
|---|---|
| Black residents | 61 |
| Hispanic or Latino residents | 13 |
| Diversity Index · Diversity index (Simpson) | 17.9% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 90.2% |
| Asian population | 14.2% (vs Virginia 5.6%) |
| Black population | 7.3% (vs Virginia 18.2%) |
| Hispanic or Latino population | 1.5% (vs Virginia 10.1%) |
| White (non-Hispanic) population | 72.5% (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 (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 0.7% are foreign-born — below the U.S. average of 13.9%. 11% have naturalized to U.S. citizenship.
| Residents born in this state | 523 |
|---|---|
| Residents born in another state | 249 |
| Share born in this state | 60.0% |
| Share born in another state | 40.0% |
| Native-born U.S. citizens | 28.6% |
| Foreign-born residents | 0.7% |
| Naturalized citizens | 10.8% |
| Total foreign-born residents | 49 |
| From Africa | 17 |
Households & Family Composition
391 households. Averaging 1.8 people each — smaller than the U.S. average of 2.5. 39% are family households — below the U.S. share of ~65%. Of 153 families, 6% are married couples with children.
| Children under 18 | 146 |
|---|---|
| Total families | 153 |
| Married couples with children | 9 |
| Single-parent households | 3 |
| Average household size | 1.79 |
| Women who gave birth (past year) | 23.6% |
| Grandparents living with grandchildren | 350 |
| Grandparents responsible for grandchildren | 158 |
| Family households | 151 households (vs Virginia 9,367) |
| Households that are families | 38.6% (vs Virginia 65.0%) |
| Total households | 391 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. 9.0% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 377 residents per year on net (IRS migration data).
| Moved within the county (past year) | 9.0% |
|---|---|
| Migration · People moving in (annual) | 13,600 |
| Migration · People moving out (annual) | 13,977 |
| Migration · Net migration (in − out) | -377 |
| 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 | 137 |
|---|---|
| Disability rate | 20.4% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 105 residents live in group quarters (12.0% of population).
| Living in group quarters | 105 |
|---|
Other
| Congressional District · District | 9 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 51027 |
| Cdc Birth Rate · State Fips | 51 |
| Cdc Birth Rate · County Fips | 027 |
| Cdc Birth Rate · County | Buchanan |
| Cdc Birth Rate · Birth Rate | 33.5% |
| Cdc Birth Rate · Lower Ci | 27.00 |
| Cdc Birth Rate · Upper Ci | 41.10 |
| Cdc Mortality · Fips | 51027 |
| Cdc Mortality · County | Buchanan County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 856 |
| Cdc Vaccination · Fips | 51027 |
| Cdc Vaccination · County | Buchanan County |
| Cdc Vaccination · Dose1 Pop Pct | 54.7% |
| Cdc Vaccination · Series Complete Pct | 48.8% |
| Cdc Vaccination · Booster Pct | 41.0% |
| Cdc Vaccination · Population 2019 | 21,004 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 4.40 |
| Family Score · Schools | 4 |
| Family Score · Childcare Centers | 3 |
| Family Score · Youth Sports Orgs | 1 |
| Family Score · Children Pct | 23.3% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 872, booming, retirement community, working-class, mixed |
| Town Summary · Population | 872 people (vs Virginia 42,214) |
| Town Summary · County | Buchanan County |
Sources: NCES school congressional district assignment · federal dataset cascade