Dahlgren is located in Virginia. Dahlgren, Virginia has a population of 3,124. Dahlgren is less family-centric than the surrounding county with 31.33% of the households containing married families with children. The county average for households married with children is 37.61%.
The median household income in Dahlgren, Virginia is $76,719. The median household income for the surrounding county is $84,770 compared to the national median of $57,652. The median age of people living in Dahlgren is 30.3 years.
The average high temperature in July is 91.7 degrees, with an average low temperature in January of 26.5 degrees. The average rainfall is approximately 43.7 inches per year, with 14.7 inches of snow per year.