Northumberland County: Demographics & People
Census counts 12,188 people in Northumberland County, in 5,640 households. Median age 59.5 years. (21.7y older than Virginia). Population is 19% Black and 4% Asian. County is gaining 583 residents per year (2022-2023). County health: 38% adult obesity, 16% smoke.
- 2.2 people per household (vs Virginia avg 2.6).
- 108 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Current population 12,188; figures track the most recent Census ACS 5-year estimates.
| Population | 12,188 people (vs Virginia 42,214) |
|---|---|
| Total Town Population | 136 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 59.5y is 20.6 years older than the U.S. median (38.9y).
| Age Summary · Total Pop | 12,188 |
|---|---|
| Age Summary · Under 18 | 1,685 |
| Age Summary · 18 To 34 | 1,514.0× |
| Age Summary · 35 To 64 | 4,353.0× |
| Age Summary · 65 Plus | 4,636 |
| Age Summary · Pct Under 18 | 13.8% |
| Age Summary · Pct 18 To 34 | 12.4% |
| Age Summary · Pct 35 To 64 | 35.7% |
| Median age | 59.5 years (vs Virginia 37.8y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 12,188 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 12,188 people |
|---|---|
| White residents | 8,450 |
| Black residents | 2,326 |
| Asian residents | 533 |
| Census Demographics · Aian | 16 |
| Census Demographics · Other Race | 112 |
| Census Demographics · Two Or More Races | 751 |
| Hispanic or Latino residents | 432 |
| Diversity Index | 47.7% |
| Asian population | 4.4% (vs Virginia 5.6%) |
| Black population | 19.1% (vs Virginia 18.2%) |
| Hispanic or Latino population | 3.5% (vs Virginia 10.1%) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 21.2% are foreign-born — above the U.S. average of 13.9%.
| Census Citizenship · Total | 12,188 |
|---|---|
| Census Citizenship · Native | 11,633 |
| Residents born in this state | 6,729 |
| Residents born in another state | 4,864 |
| Census Citizenship · Foreign Born | 2,585 |
| Census Citizenship · Naturalized | 316 |
| Census Citizenship · Non Citizen | 40 |
| Foreign-born residents | 21.2% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
5,640 households.
| Family households | 3,553 households (vs Virginia 9,367) |
|---|---|
| Total households | 5,640 households (vs Virginia 14,324) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Residential Stability & Migration
How long residents have lived here and where they came from. The surrounding county is gaining 583 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 11,730 |
|---|---|
| Migration · People moving out (annual) | 11,147 |
| Migration · Net migration (in − out) | 583 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2022-2023
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.
| Census Disability · Total Pop | 12,035 |
|---|---|
| With Disability | 1,957 |
| Pct With Disability | 16.3% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 12,169 |
|---|---|
| Census Mobility · Same House | 11,032 |
| Census Mobility · Same County | 311 |
| Census Mobility · Diff County Same State | 565 |
| Census Mobility · Diff State | 261 |
| Census Mobility · Moved Total | 1,137 |
| Census Mobility · Pct Moved In Year | 9.3% |
| Pct White | 69.3% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29