New Plymouth is located in Idaho. New Plymouth, Idaho has a population of 1,701. New Plymouth is less family-centric than the surrounding county with 34.22% of the households containing married families with children. The county average for households married with children is 35.02%.
The median household income in New Plymouth, Idaho is $35,129. The median household income for the surrounding county is $48,447 compared to the national median of $57,652. The median age of people living in New Plymouth is 33.5 years.
The average high temperature in July is 91.8 degrees, with an average low temperature in January of 20.8 degrees. The average rainfall is approximately 11 inches per year, with 12 inches of snow per year.