Millis is located in Massachusetts. Millis, Massachusetts has a population of 8,354. Millis is less family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 29%.
The median household income in Millis, Massachusetts is $110,188. The median household income for the surrounding county is $101,356 compared to the national median of $61,963. The median age of people living in Millis is 46.4 years.
The average high temperature in July is 83.98 degrees, with an average low temperature in January of 14.24 degrees. The annual precipitation is 48.29.