Zip Code | City | Population |
|---|---|---|
| 14701 | Jamestown | 39,481 |
| 14048 | Dunkirk | 14,859 |
| 14063 | Fredonia | 13,123 |
| 14136 | Silver Creek | 5,122 |
| 14787 | Westfield | 4,756 |
| 14750 | Lakewood | 4,521 |
| 14738 | Frewsburg | 3,542 |
| 14062 | Forestville | 3,251 |
| 14757 | Mayville | 3,183 |
| 14710 | Ashville | 3,125 |
| 14733 | Falconer | 3,104 |
| 14712 | Bemus Point | 3,089 |
| 14724 | Clymer | 2,955 |
| 14716 | Brocton | 2,602 |
| 14775 | Ripley | 2,565 |
| 14767 | Panama | 2,265 |
| 14782 | Sinclairville | 2,169 |
| 14747 | Kennedy | 2,073 |
| 14718 | Cassadaga | 2,024 |
| 14781 | Sherman | 1,827 |
| 14740 | Gerry | 1,112 |
| 14728 | Dewittville | 1,049 |
| 14723 | Cherry Creek | 1,012 |
| 14720 | Celoron | 870 |
| 14784 | Stockton | 750 |
| 14769 | Portland | 651 |
| 14166 | Van Buren Point | 231 |
| 14752 | Lily Dale | 230 |
| 14722 | Chautauqua | 189 |
| 14736 | Findley Lake | 154 |
| 14135 | Sheridan | 141 |
| 14785 | Stow | 130 |
| 14742 | Greenhurst | 90 |
| 14732 | Ellington | 18 |
| 14756 | Maple Springs | 0 |