Plymouth is located in Washington. Plymouth, Washington has a population of 395. Plymouth is less family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 32%.
The median household income in Plymouth, Washington is $67,111. The median household income for the surrounding county is $72,708 compared to the national median of $66,222. The median age of people living in Plymouth is 37.8 years.
The average high temperature in July is 89.38 degrees, with an average low temperature in January of 26.1 degrees. The annual precipitation is 8.47.