About Plymouth County
Plymouth County is a mid-sized city located in United States, in the Massachusetts region. According to the latest available data (2026), the population of Plymouth County is approximately 530,819 residents, making it the #136 most populous city in United States.
Globally, Plymouth County ranks #3,532 among the world's most populated cities.
Plymouth County City Statistics
| City | Plymouth County |
| Country |  United States |
| Population | 530,819 |
| Global Rank | #3,532 |
| Rank in United States | #136 of 867 cities |
| City Category | mid-sized city |
| Region | Massachusetts |
| Latitude | 41.9789 |
| Longitude | -70.819 |
| Data Year | 2026 |
Population Comparison
To put Plymouth County's population of 530,819 into perspective:
- Plymouth County has over 530,000 residents.
Where is Plymouth County Located?
Plymouth County is located in United States, in the Massachusetts region, at coordinates 41.9789° latitude and -70.819° longitude. Located in the mid-latitudes, Plymouth County experiences distinct four-season weather patterns.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Plymouth County?
The population of Plymouth County is approximately 530,819 residents according to the latest available data (2026).
Where is Plymouth County located?
Plymouth County is located in United States at approximately 41.9789° latitude and -70.819° longitude.
Is Plymouth County one of the largest cities in United States?
With a population of 530,819, Plymouth County is one of the notable urban areas in United States. It ranks #136 out of 867 cities in the country.
