Statistics for Loudoun County
Latest official figures for Loudoun County, each linked to its source.
Demography
| Population | 449,749 persons | 2025 |
| Median age | 38.2 years | 2024 |
| Live births, July to June | 4,603 count | 2025 |
| Deaths, July to June | 1,848 count | 2025 |
| Crude birth rate, July to June | 10.3 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 4.14 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3.3 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 4.3 % | 2024 |
| Median household income | 181,765 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 44,855 USD million | 2024 |
| Real GDP growth | 4.3 % | 2024 |