Double Island Real EstateDouble Island 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 Double Island real estate agent to arrange a tour today! Double Island, North Carolina has a population of 544. The median household income in Double Island, North Carolina is $33,678. The median household income for the surrounding county is $37,610 compared to the national median of $57,652. The median age of people living in Double Island is 52.2 years. Double Island WeatherThe average high temperature in July is 85.5 degrees, with an average low temperature in January of 26.7 degrees. The average rainfall is approximately 48.5 inches per year, with 8.2 inches of snow per year. Nearby Homes for Sale |