Loudoun County's estimated 2026 population is 455,749 with a growth rate of 1.33% in the past year according to the most recent United States census data. Loudoun County is the 3rd largest county in Virginia. The 2010 population was 315,486 and has seen a growth of 44.46% since that time.
Data after 2023 is projected based on recent change
Overall: 38.2 years
Female: 38.4 years
Male: 38 years
There are 317,827 adults, (46,894 of whom are seniors) in Loudoun County.
Female: 216,221 (49.9%)
Male: 216,777 (50.1%)
The racial composition of Loudoun County includes 52.73% White, 21.83% Asian, 7.72% Black or African American, 4.8% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 228,302 | 52.73% |
| Asian | 94,508 | 21.83% |
| Two or more races | 54,499 | 12.59% |
| Black or African American | 33,411 | 7.72% |
| Other race | 20,804 | 4.8% |
| Native American | 1,253 | 0.29% |
| Native Hawaiian or Pacific Islander | 221 | 0.05% |
Loudoun County's average per capita income is $97,873. Household income levels show a median of $181,765. The poverty rate stands at 4.23%.
Name | Median | Mean |
|---|---|---|
| Married Families | $221,884 | $253,740 |
| Families | $203,933 | $234,771 |
| Households | $181,765 | $214,791 |
| Non Families | $104,262 | $131,907 |
Average Income
Median Household Income
Poverty Rate