Loudoun County, Virginia Demographics 2026

Population Overview

Loudoun County is located in Virginia with a total population of 427,082. It is the 4th most populous county out of 133 in Virginia.

Age Demographics

The median age in Loudoun County is 37.8 years. This is 3% lower than the state median of 38.8 years.

Economy, Income & Housing

The median household income in Loudoun County is $178,707. This is 96% higher than the state median of $90,974. Compared to the national median of $78,538, household income here is 128% higher. The poverty rate stands at 4.0%. This is 60% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.2%. This is 25% lower than the state rate of 4.3%. The median home value is $701,000. Housing costs are 94% higher than the state median of $360,700. The home-value-to-income ratio is 3.9x. 77.9% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 67.2%.

Race & Ethnicity

The largest racial or ethnic group in Loudoun County is White (non-Hispanic), making up 52.1% of the population. Asian residents account for 21.0%. The Black or African American population (7.4%) is well below the state average of 18.4%. The Asian population is significantly higher than the state average (21.0% vs 6.8%).

Education

64.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Loudoun County in the top 10% of all cities in the state for educational attainment. This is 54% higher than the state rate of 41.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.1%. Notably, 28.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.