Loudoun County Flag

Loudoun County

State:
Virginia
County Seat:
Leesburg

Loudoun County's estimated 2025 population is 443,457 with a growth rate of 0.81% in the past year according to the most recent United States census data. Loudoun County is the 4th largest county in Virginia. The 2010 population was 315,486 and has seen a growth of 40.56% since that time.

443,457
Total Population
859
Population Density (mi²)
4
Population Rank (State)
3.6K 0.81%
Annual Population Growth

Loudoun County Population

Loudoun County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Loudoun County includes 55.36% White, 21.04% Asian, 7.7% Black or African American, 4.44% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White236,45055.36%
Asian89,86421.04%
Two or more races47,39311.1%
Black or African American32,8897.7%
Other race18,9494.44%
Native American1,2740.3%
Native Hawaiian or Pacific Islander2630.06%

Loudoun County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Loudoun County's average per capita income is $94,853. Household income levels show a median of $178,707. The poverty rate stands at 3.96%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$215,791$247,191
Families$200,316$229,352
Households$178,707$209,947
Non Families$99,892$129,404

$94,853

Average Income

$178,707

Median Household Income

3.96%

Poverty Rate