The largest county in Rhode Island
Unusually, Rhode Island gives the same answer on both measures: Providence County is the largest by land area and the most populous.
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025. Retrieved 30 August 2026.
By land area
| Rank | Name | Land area | Population |
|---|---|---|---|
| 1 | Providence County | 409.5 sq mi | 678,179 |
| 2 | Washington County | 329.3 sq mi | 129,795 |
| 3 | Kent County | 168.6 sq mi | 173,495 |
| 4 | Newport County | 102.4 sq mi | 83,051 |
| 5 | Bristol County | 24.1 sq mi | 50,001 |
By population
| Rank | Name | Population | Density |
|---|---|---|---|
| 1 | Providence County | 678,179 | 1,656 per sq mi |
| 2 | Kent County | 173,495 | 1,029 per sq mi |
| 3 | Washington County | 129,795 | 394 per sq mi |
| 4 | Newport County | 83,051 | 811 per sq mi |
| 5 | Bristol County | 50,001 | 2,072 per sq mi |
And the smallest
More on Rhode Island
Rebuilt from source data 30 August 2026. How these figures are produced.