Portsmouth is located in Rhode Island. Portsmouth, Rhode Island has a population of 18,291. Portsmouth is more family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 22%.
The median household income in Portsmouth, Rhode Island is $103,951. The median household income for the surrounding county is $84,536 compared to the national median of $66,222. The median age of people living in Portsmouth is 47.8 years.
The average high temperature in July is 77.6 degrees, with an average low temperature in January of 22.6 degrees. The annual precipitation is 46.