Westmoreland County's 2026 population is estimated at 19,869, reflecting a 1.62% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Westmoreland County is the 81st largest county in Virginia. The 2010 population was 17,493 and has grown 13.58% since 2010.
Data after 2023 is projected based on recent change
Overall: 47.7 years
Female: 47.9 years
Male: 47.2 years
There are 15,465 adults, (5,017 of whom are seniors) in Westmoreland County.
Female: 9,798 (52%)
Male: 9,028 (48%)
The racial composition of Westmoreland County includes 62.79% White, 23.5% Black or African American, 4.41% other race, and smaller percentages for Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,820 | 62.79% |
| Black or African American | 4,424 | 23.5% |
| Two or more races | 1,550 | 8.23% |
| Other race | 831 | 4.41% |
| Asian | 185 | 0.98% |
| Native American | 16 | 0.08% |
Westmoreland County 's average per capita income is $44,745. Household income levels show a median of $63,398. The poverty rate stands at 14.01%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $96,966 | - |
| Families | $82,826 | $110,414 |
| Households | $63,398 | $90,002 |
| Non Families | $46,231 | $57,208 |
Average Income
Median Household Income
Poverty Rate