Millis is located in Massachusetts. Millis, Massachusetts has a population of 8,481. Millis is less family-centric than the surrounding county with 29.46% of the households containing married families with children. The county average for households married with children is 36.79%.
The median household income in Millis, Massachusetts is $131,138. The median household income for the surrounding county is $112,089 compared to the national median of $69,021. The median age of people living in Millis is 45.8 years.
The average high temperature in July is 82.9 degrees, with an average low temperature in January of 16.2 degrees. The average rainfall is approximately 48.8 inches per year, with 47 inches of snow per year.
