South Berwick is located in Maine. South Berwick, Maine has a population of 7,638. South Berwick is more family-centric than the surrounding county with 35% households with children. The county percentage for households with children is 23%.
The median household income in South Berwick, Maine is $91,438. The median household income for the surrounding county is $70,417 compared to the national median of $66,222. The median age of people living in South Berwick is 43.8 years.
The average high temperature in July is 82.67 degrees, with an average low temperature in January of 12.04 degrees. The annual precipitation is 47.35.