Rosslyn Real EstateRosslyn real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you see a property you’re interested in, contact a Rosslyn real estate agent to arrange a tour today! Rosslyn, Virginia has a population of 114,767. The median household income in Rosslyn, Virginia is $112,138. The median household income for the surrounding county is $112,138 compared to the national median of $57,652. The median age of people living in Rosslyn is 34.4 years. Rosslyn WeatherThe average high temperature in July is 88.5 degrees, with an average low temperature in January of 26.9 degrees. The average rainfall is approximately 43.1 inches per year, with 15.9 inches of snow per year. Nearby Homes for Sale |