| County | Rank | Change (2020) ↓ | 2025 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Providence County | 1 | 1.07% | 666,997 | 659,963 |
| Kent County | 2 | 0.68% | 171,566 | 170,406 |
| Washington County | 3 | -0.26% | 129,434 | 129,776 |
| Bristol County | 4 | -1.25% | 50,151 | 50,784 |
| Newport County | 5 | -4.05% | 82,054 | 85,515 |
Rhode Island's counties show varied growth patterns from 2020 to 2025. Providence County leads with 1.07% annualized growth, followed by Kent County (0.68%) and Washington County (-0.26%). The largest counties are Providence County (666,997), Kent County (171,566), and Washington County (129,434). Of the 5 counties in Rhode Island, 2 are growing while 3 have experienced population decline. Overall, counties averaged -0.76% annualized growth, with total population growing by 0.34% annually.