Louisa County: Demographics & People
Louisa County is home to 39,980 people, in 15,561 households. Median age 44.8 years. (7.0y older than Virginia). Population is 12% Black and 4% Hispanic or Latino. County is gaining 2,245 residents per year (2022-2023). County health: 36% adult obesity, 17% smoke.
- 2.6 people per household (vs Virginia avg 2.6).
- 70 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Current population 39,980; figures track the most recent Census ACS 5-year estimates.
| Population | 39,980 people (vs Virginia 42,214) |
|---|---|
| Total Town Population | 3,258 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 44.8y is 5.9 years older than the U.S. median (38.9y).
| Age Summary · Total Pop | 39,980 |
|---|---|
| Age Summary · Under 18 | 7,993 |
| Age Summary · 18 To 34 | 7,030.0× |
| Age Summary · 35 To 64 | 16,553.0× |
| Age Summary · 65 Plus | 8,404 |
| Age Summary · Pct Under 18 | 20.0% |
| Age Summary · Pct 18 To 34 | 17.6% |
| Age Summary · Pct 35 To 64 | 41.4% |
| Median age | 44.8 years (vs Virginia 37.8y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 39,980 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 39,980 people |
|---|---|
| White residents | 30,890 |
| Black residents | 4,640 |
| Asian residents | 242 |
| Census Demographics · Aian | 183 |
| Census Demographics · Nhpi | 10 |
| Census Demographics · Other Race | 1,109 |
| Census Demographics · Two Or More Races | 2,906 |
| Diversity Index | 38.4% |
| Asian population | 0.6% (vs Virginia 5.6%) |
| Black population | 11.6% (vs Virginia 18.2%) |
| Hispanic or Latino population | 4.2% (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). 13.3% are foreign-born — near the U.S. average of 13.9%.
| Census Citizenship · Total | 39,980 |
|---|---|
| Census Citizenship · Native | 38,188 |
| Residents born in this state | 24,624 |
| Residents born in another state | 12,917 |
| Census Citizenship · Foreign Born | 5,301 |
| Census Citizenship · Naturalized | 1,135 |
| Census Citizenship · Non Citizen | 647 |
| Foreign-born residents | 13.3% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
15,561 households.
| Family households | 11,351 households (vs Virginia 9,367) |
|---|---|
| Total households | 15,561 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 2,245 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 39,392 |
|---|---|
| Migration · People moving out (annual) | 37,147 |
| Migration · Net migration (in − out) | 2,245 |
| 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 | 39,830 |
|---|---|
| With Disability | 6,032 |
| Pct With Disability | 15.1% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
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. 0 residents live in group quarters.
| Census Group Quarters · Total | 115 |
|---|
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 39,502 |
|---|---|
| Census Mobility · Same House | 36,636 |
| Census Mobility · Same County | 1,239 |
| Census Mobility · Diff County Same State | 1,139 |
| Census Mobility · Diff State | 471 |
| Census Mobility · From Abroad | 17 |
| Census Mobility · Moved Total | 2,866 |
| Census Mobility · Pct Moved In Year | 7.3% |
| Pct White | 77.3% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29