Loudoun County, VA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
427,082
Male
213,723
50.0%
Female
213,359
50.0%
Median Age
37.8 yrs
Avg Household Size
3.0
Foreign Born
26.7%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher41.7%
High School or Higher49.3%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.3%
Disability
0.0%
Non-English Home
3.8%
Married
47.9%
Loudoun County, VA has a population of 427,082 according to 2023 Census Bureau estimates. The median age is 37.8 years. The largest racial or ethnic group is White at 55.4% of the population. 41.7% of residents hold a bachelor's degree or higher. 26.7% of residents are foreign-born.