Fairfax County Population Clock

Population of Fairfax County 2023 - 2024

On 01 Jul 2023 Fairfax County population was estimated as 1140662 people. On 01 Jul 2024 Fairfax County population will be 1143794 people. It’s +0.27% (3132 people) compared with the population of Fairfax County on 01 Jul 2024. These data (statistics and projection) are based on information from the United Nations and Census on the assessment and forecasting of the Fairfax County population. Fairfax County population clock counts based on the current number of the above values at time UTC (the date and time specified above).