Founded in 1808, Cattaraugus County is one of 62 counties in the state of New York. Historically, Cattaraugus County was formed from Genesee County. The city of Little Valley is the county seat. With FIPS code of 9, Cattaraugus County has a population of 76,426 and area of 1,310 square miles (3,393 km2).
List of all cities in Cattaraugus County, NY alphabetically
| City/Town | Postal Code | Area Code |
| Allegany, NY | 14706 | 716 |
| Cattaraugus, NY | 14719 | 716 |
| Conewango Valley, NY | 14726 | 716 |
| Dayton, NY | 14041 | 716 |
| Delevan, NY | 14042 | 716 |
| East Otto, NY | 14729 | 716 |
| East Randolph, NY | 14730 | 716 |
| Ellicottville, NY | 14731 | 716 |
| Farmersville, NY | 14060 | 716 |
| Farmersville Station, NY | 14060 | 716 |
| Franklinville, NY | 14737 | 716 |
| Freedom, NY | 14065 | 716 |
| Gowanda, NY | 14070 | 716 |
| Great Valley, NY | 14741 | 716 |
| Hinsdale, NY | 14743 | 716 |
| Humphrey, NY | 14741 | 716 |
| Ischua, NY | 14743 | 716 |
| Kill Buck, NY | 14748 | 716 |
| Killbuck, NY | 14748 | 716 |
| Knapp Creek, NY | 14760 | 716 |
| Leon, NY | 14751 | 716 |
| Limestone, NY | 14753 | 716 |
| Little Valley, NY | 14755 | 716 |
| Machias, NY | 14101 | 716 |
| Olean, NY | 14760 | 716 |
| Otto, NY | 14766 | 716 |
| Perrysburg, NY | 14129 | 716 |
| Portville, NY | 14770 | 716 |
| Randolph, NY | 14772 | 716 |
| Saint Bonaventure, NY | 14778 | 716 |
| Salamanca, NY | 14779 | 716 |
| Sandusky, NY | 14065 | 716 |
| 14133 | 716 | |
| South Dayton, NY | 14138 | 716 |
| Steamburg, NY | 14783 | 716 |
| Versailles, NY | 14168 | 716 |
| West Valley, NY | 14171 | 716 |
| Westons Mills, NY | 14788 | 716 |
| Yorkshire, NY | 14173 | 716 |