Skip to main content
Population Review

What is the population of Plymouth County, MA?

Plymouth County in Massachusetts has a population of 531,889, per Census ACS 5-Year estimates. The median household income is $109,698 and the median age is 42.9.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Plymouth County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

Explore Further

Related Questions

Frequently Asked Questions

Plymouth County in Massachusetts has a population of 531,889, per Census ACS 5-Year estimates. The median household income is $109,698 and the median age is 42.9.