| Zip Code | City | Population ↓ |
|---|---|---|
| 2860 | Pawtucket | 47,677 |
| 2895 | Woonsocket | 43,163 |
| 2909 | Providence | 42,629 |
| 2908 | Providence | 39,099 |
| 2920 | Cranston | 36,907 |
| 2864 | Cumberland | 36,142 |
| 2907 | Providence | 32,697 |
| 2904 | Providence | 31,214 |
| 2919 | Johnston | 29,453 |
| 2861 | Pawtucket | 27,527 |
| 2906 | Providence | 26,437 |
| 2905 | Providence | 25,674 |
| 2910 | Cranston | 23,598 |
| 2863 | Central Falls | 22,359 |
| 2914 | East Providence | 21,742 |
| 2865 | Lincoln | 18,306 |
| 2915 | Riverside | 16,415 |
| 2911 | North Providence | 15,866 |
| 2917 | Smithfield | 14,868 |
| 2921 | Cranston | 12,205 |
| 2903 | Providence | 12,039 |
| 2896 | North Smithfield | 11,449 |
| 2916 | Rumford | 8,855 |
| 2857 | North Scituate | 8,031 |
| 2814 | Chepachet | 7,444 |
| 2859 | Pascoag | 7,295 |
| 2828 | Greenville | 7,263 |
| 2830 | Harrisville | 6,766 |
| 2825 | Foster | 5,872 |
| 2912 | Providence | 4,809 |
| 2831 | Hope | 3,840 |
| 2838 | Manville | 3,468 |
| 2918 | Providence | 2,960 |
| 2839 | Mapleville | 1,598 |
| 2802 | Albion | 702 |
| 2876 | Slatersville | 659 |
| 2826 | Glendale | 396 |
| 2824 | Forestdale | 291 |
| 2858 | Oakland | 286 |
| 2815 | Clayville | 134 |
| 2829 | Harmony | 82 |
| 2823 | Fiskeville | 17 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 42 ZCTAs in Providence County, Rhode Island (US Census).