McMullin: Demographics & People
324 people call McMullin home, in 126 households. Population grew 34.4% from 241 (2022) to 324 (2024). Median age 33.7 years. (12.7y younger than Smyth County; 4.1y younger than Virginia). Children under 18 are 37% of the population. Population is 100% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 71% of households are family-led. County is gaining 694 residents per year (2022-2023). County health: 41% adult obesity, 23% smoke.
- 2.6 people per household (vs Virginia avg 2.6).
- 29% non-family households (singles, roommates) (vs Virginia 35%).
- 99 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Population grew 34.4% from 241 (2022) to 324 (2024) — about 57.4× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~445 (extrapolated at 17.2%/yr trend). Census Bureau Vintage estimate: 646.
| Census data vintage | 2024 |
|---|---|
| Population | 29,800 people |
| Annual growth rate · Population change | 34.4% |
| Annual growth rate · Population (2022) | 241 |
| Annual growth rate · Population (2024) | 324 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 324 people (vs Virginia 42,214) |
| Population Estimate | 646 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 33.7y is 5.2 years younger than the U.S. median (38.9y). Children under 18 make up 37% — above the U.S. share of ~22%.
| Age Summary · Median age | 33.7 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 36.7% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 324 |
| Age Summary · Under 18 | 119 |
| Age Summary · 18 To 34 | 49.0× |
| Age Summary · 35 To 64 | 114.0× |
| Age Summary · 65 Plus | 42 |
| Population under 18 | 119 |
| Median age | 33.7 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 324 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 | 241 |
|---|---|
| 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 | 260 |
|---|---|
| Residents born in another state | 64 |
| Share born in this state | 80.2% |
| Share born in another state | 19.8% |
| Native-born U.S. citizens | 19.8% |
| Total foreign-born residents | 4 |
| From Europe | 4 |
Households & Family Composition
126 households. Averaging 2.1 people each — smaller than the U.S. average of 2.5. 71% are family households — above the U.S. share of ~65%. Of 65 families, 32% are married couples with children.
| Children under 18 | 64 |
|---|---|
| Total families | 65 |
| Married couples with children | 21 |
| Average household size | 2.06 |
| Women who gave birth (past year) | 5.3% |
| Grandparents living with grandchildren | 811 |
| Grandparents responsible for grandchildren | 246 |
| Family households | 89 households (vs Virginia 9,367) |
| Households that are families | 70.6% (vs Virginia 65.0%) |
| Total households | 126 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. 4.3% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 694 residents per year on net (IRS migration data).
| Moved within the county (past year) | 4.3% |
|---|---|
| Migration · People moving in (annual) | 23,811 |
| Migration · People moving out (annual) | 23,117 |
| Migration · Net migration (in − out) | 694 |
| 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 | 32 |
|---|---|
| Disability rate | 13.3% |
Other
| Congressional District · District | 9 |
|---|---|
| Congressional District · Formatted | VA-09 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 51173 |
| Cdc Birth Rate · State Fips | 51 |
| Cdc Birth Rate · County Fips | 173 |
| Cdc Birth Rate · County | Smyth |
| Cdc Birth Rate · Birth Rate | 25.5% |
| Cdc Birth Rate · Lower Ci | 20.90 |
| Cdc Birth Rate · Upper Ci | 30.70 |
| Cdc Mortality · Fips | 51173 |
| Cdc Mortality · County | Smyth County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 1,384 |
| Cdc Vaccination · Fips | 51173 |
| Cdc Vaccination · County | Smyth County |
| Cdc Vaccination · Dose1 Pop Pct | 57.9% |
| Cdc Vaccination · Series Complete Pct | 50.0% |
| Cdc Vaccination · Booster Pct | 37.2% |
| Cdc Vaccination · Population 2019 | 30,104 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 8.00 |
| Family Score · Schools | 14 |
| Family Score · Children Pct | 36.7% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 324, booming, young professional, middle-class, white collar |
| Town Summary · Population | 324 people (vs Virginia 42,214) |
| Town Summary · County | Smyth County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade