Millsboro 19966 Real EstateMillsboro is located in Delaware. Millsboro, Delaware 19966has a population of 6,542. Millsboro 19966 is less family-centric than the surrounding county with 19.7% of the households containing married families with children. The county average for households married with children is 20.2%. The median household income in Millsboro, Delaware 19966 is $57,632. The median household income for the surrounding county is $68,886 compared to the national median of $69,021. The median age of people living in Millsboro 19966 is 43.3 years. Millsboro WeatherThe average high temperature in July is 86.8 degrees, with an average low temperature in January of 27.2 degrees. The average rainfall is approximately 45.8 inches per year, with 10.8 inches of snow per year. Millsboro MapReal estate near MillsboroNearby CitiesNearby Cities Homes for Sale |