Loudoun County, Virginia Demographics 2026
Loudoun County, Virginia has a population of 432,998, the 4th most populous county in Virginia. The median household income is $181,765 and the median home value is $743,800. The poverty rate is 4.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Loudoun County Quick Facts
How Loudoun County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 427,082 | 432,998 | +1.4% |
| Median household income | $178,707 | $181,765 | +1.7% |
| Median home value | $701,000 | $743,800 | +6.1% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Loudoun County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Leesburg | 49,171 | $145,205 | 6.6% | $667,800 |
| Ashburn | 46,026 | $154,978 | 4.0% | $699,300 |
| South Riding | 34,352 | $196,403 | 3.8% | $746,200 |
| Sterling | 32,411 | $123,303 | 8.0% | $526,000 |
| Brambleton | 24,537 | $238,018 | 3.5% | $865,800 |
| Stone Ridge | 16,603 | $187,563 | 1.8% | $672,800 |
| Broadlands | 14,353 | $241,042 | 1.0% | $896,900 |
| Sugarland Run | 12,629 | $166,385 | 5.4% | $576,700 |
| Cascades | 12,357 | $167,171 | 2.9% | $671,100 |
| Lansdowne | 12,328 | $168,731 | 3.6% | $774,300 |
| Lowes Island | 11,018 | $220,833 | 1.6% | $793,200 |
| Loudoun Valley Estates | 10,271 | $224,704 | 4.0% | $814,200 |
| Belmont | 9,729 | $242,542 | 2.1% | $846,300 |
| Countryside | 9,661 | $148,810 | 4.8% | $630,200 |
| Purcellville | 8,973 | $165,121 | 4.6% | $654,200 |
| Moorefield | 6,123 | $205,257 | 2.8% | $800,200 |
| Dulles Town Center | 5,464 | $125,941 | 4.6% | $606,500 |
| University Center | 3,923 | $120,533 | 13.1% | $507,500 |
| Arcola | 3,509 | $129,116 | 7.1% | $637,800 |
| One Loudoun | 3,309 | $241,250 | 0.9% | $876,700 |
| Lovettsville | 2,719 | $141,406 | 2.8% | $543,700 |
| Goose Creek Village | 2,461 | $198,631 | 13.7% | $620,700 |
| Oak Grove | 2,408 | $174,423 | 0.6% | $640,300 |
| Kincora | 1,008 | $134,279 | 8.8% | $582,700 |
| Middleburg | 774 | $104,545 | 12.7% | $777,000 |
| Round Hill | 678 | $127,266 | 3.5% | $653,600 |
| Hamilton | 589 | $141,250 | 0.5% | $531,300 |
| Waterford | 220 | N/A | 0.0% | $1,079,700 |
| Aldie | 163 | N/A | 0.0% | N/A |
| Hillsboro | 141 | $97,438 | 0.0% | $631,900 |
Explore Virginia Rankings
Population Overview
Loudoun County is located in Virginia with a total population of 432,998. It is the 4th most populous county out of 133 in Virginia. The county encompasses 30 Census-designated places.
Age Demographics
The median age in Loudoun County is 38.2 years. This is 2% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Loudoun County is $181,765. This is 95% higher than the state median of $93,170. It is also 125% higher than the national median of $80,734. The poverty rate stands at 4.2%. This is 57% 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 3.3%. This is 22% lower than the state rate of 4.3%. The median home value is $743,800. Housing costs are 94% higher than the state median of $383,700. The home-value-to-income ratio is 4.1x. 77.9% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 67.3%.
Race & Ethnicity
The largest racial or ethnic group in Loudoun County is White (non-Hispanic), making up 51.0% of the population. Asian residents account for 21.7%. The Black or African American population (7.5%) is well below the state average of 18.3%. The Asian population is significantly higher than the state average (21.7% vs 6.9%).
Education
64.5% of residents aged 25 and older hold a bachelor's degree or higher. This places Loudoun County in the top 10% of all counties in the state for educational attainment. This is 53% higher than the state rate of 42.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.9%. Notably, 28.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All figures for Loudoun County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Virginia and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Loudoun County, Virginia?
Loudoun County has a population of 432,998, making it the 4th most populous county in Virginia.
What is the median income in Loudoun County?
The median household income in Loudoun County is $181,765 with a poverty rate of 4.2%.
How many cities are in Loudoun County, Virginia?
Loudoun County contains 30 Census-designated places.