Rhode Island Counties by Population (2025)

There are 5 counties in Rhode Island.

Providence County is the largest county in the state, with a population of 666,997. The most recent census shows that its population has increased by 0.01% since the previous census.

A number of other Rhode Island counties also boast relatively large populations for their state, though not able to match the density of Providence County:

• Kent County : 171,566
• Washington County : 129,434

Rhode Island Counties with the Fewest Residents

The smallest county in Rhode Island is Bristol County, with a population of just 50,151. This total represents a decrease of 0.0% since the last census count was performed.

Other small counties include:

• Newport County : 82,054
• Washington County : 129,434
• Kent County : 171,566

Rhode Island Counties with Rapid Growth

Providence County, with its sizeable population of 666,997, has shown the largest population growth, with an increase of 0.0% since the last census.

On the other hand, Newport County has had the largest decrease in population, with its 82,054 current residents totalling 0.0% less than the previous census.