Founded in 1798, Oneida County is one of 62 counties in the state of New York. Historically, Oneida County was formed from Herkimer County. The city of Utica is the county seat. With FIPS code of 65, Oneida County has a population of 230,274 and area of 1,213 square miles (3,142 km2).
List of all cities in Oneida County, NY alphabetically
| City/Town | Postal Code | Area Code |
| Alder Creek, NY | 13301 | 315 |
| Annsville, NY | 13471 | 315 |
| Atwell, NY | 13338 | 315 |
| Augusta, NY | 13425 | 315 |
| Ava, NY | 13303 | 315 |
| Barneveld, NY | 13304 | 315 |
| Bartlett, NY | 13440 | 315 |
| Big Brook, NY | 13486 | 315 |
| Blossvale, NY | 13308 | 315 |
| 13401 | 315 | |
| Boonville, NY | 13309 | 315 |
| Bridgewater, NY | 13313 | 315 |
| BRM Customer, NY | 13449 | 315 |
| 13599 | 315 | |
| Camden, NY | 13316 | 315 |
| Camroden, NY | 13440 | 315 |
| Cassville, NY | 13318 | 315 |
| Chadwicks, NY | 13319 | 315 |
| Clark Mills, NY | 13321 | 315 |
| Clayville, NY | 13322 | 315 |
| Clinton, NY | 13323 | 315 |
| Conger Corners, NY | 13480 | 315 |
| Coonrod, NY | 13440 | 315 |
| Daytonville, NY | 13480 | 315 |
| Deansboro, NY | 13328 | 315 |
| Deerfield, NY | 13502 | 315 |
| Durhamville, NY | 13054 | 315 |
| East Floyd, NY | 13354 | 315 |
| Empeyville, NY | 13316 | 315 |
| Florence, NY | 13316 | 315 |
| Floyd, NY | 13440 | 315 |
| Forestport, NY | 13338 | 315 |
| Forestport Station, NY | 13338 | 315 |
| Fort Stanwix National Monume, NY | 13440 | 315 |
| Franklin Springs, NY | 13341 | 315 |
| Frenchville, NY | 13486 | 315 |
| Greenway, NY | 13440 | 315 |
| Hawkinsville, NY | 13309 | 315 |
| Hecla, NY | 13490 | 315 |
| Higginsville, NY | 13054 | 315 |
| Hillsboro, NY | 13316 | 315 |
| Hinckley, NY | 13352 | 315 |
| Holland Patent, NY | 13354 | 315 |
| Honnedaga Lake, NY | 13338 | 315 |
| Kayuta Lake, NY | 13338 | 315 |
| Kirkland, NY | 13323 | 315 |
| Knoxboro, NY | 13362 | 315 |
| Lairdsville, NY | 13323 | 315 |
| Lake Delta, NY | 13440 | 315 |
| Lee, NY | 13440 | 315 |
| Lee Center, NY | 13363 | 315 |
| Marcy, NY | 13403 | 315 |
| Mc Connellsville, NY | 13401 | 315 |
| McKeever, NY | 13338 | 315 |
| Mohawk Hill, NY | 13309 | 315 |
| New Hartfd, NY | 13413 | 315 |
| New Hartford, NY | 13413 | 315 |
| New York Mills, NY | 13417 | 315 |
| North Bay, NY | 13123 | 315 |
| North Bridgewater, NY | 13318 | 315 |
| North Wilmurt, NY | 13438 | 315 |
| NY Mills, NY | 13417 | 315 |
| Oriskany, NY | 13424 | 315 |
| Oriskany Falls, NY | 13425 | 315 |
| Osceola, NY | 13316 | 315 |
| Otter Lake, NY | 13338 | 315 |
| Paris, NY | 13456 | 315 |
| Point Rock, NY | 13471 | 315 |
| Prospect, NY | 13435 | 315 |
| Remsen, NY | 13438 | 315 |
| Ridge Mills, NY | 13440 | 315 |
| Rome, NY | 13440 | 315 |
| 13441 | 315 | |
| 13442 | 315 | |
| 13449 | 315 | |
| Sangerfield, NY | 13455 | 315 |
| Sauquoit, NY | 13456 | 315 |
| Schuyler, NY | 13502 | 315 |
| Seifert Corners, NY | 13440 | 315 |
| Sherrill, NY | 13461 | 315 |
| South Trenton, NY | 13304 | 315 |
| Spencer Settlement, NY | 13440 | 315 |
| Stacy Basin, NY | 13054 | 315 |
| Stanwix, NY | 13440 | 315 |
| Stanwix Heights, NY | 13440 | 315 |
| Steuben, NY | 13354 | 315 |
| Steuben Valley, NY | 13354 | 315 |
| Stittville, NY | 13469 | 315 |
| Stockwell, NY | 13480 | 315 |
| Stokes, NY | 13363 | 315 |
| Sylvan Beach, NY | 13157 | 315 |
| Taberg, NY | 13471 | 315 |
| Talcottville, NY | 13309 | 315 |
| Utica, NY | 13501 | 315 |
| 13502 | 315 | |
| 13503 | 315 | |
| 13504 | 315 | |
| 13505 | 315 | |
| 13599 | 315 | |
| Vernon, NY | 13476 | 315 |
| Vernon Center, NY | 13477 | 315 |
| Verona, NY | 13478 | 315 |
| Verona Beach, NY | 13162 | 315 |
| Vienna, NY | 13308 | 315 |
| Walesville, NY | 13492 | 315 |
| Washington Mills, NY | 13479 | 315 |
| Waterville, NY | 13480 | 315 |
| West Branch, NY | 13303 | 315 |
| West Lee, NY | 13363 | 315 |
| Westdale, NY | 13483 | 315 |
| Westernville, NY | 13486 | 315 |
| Westmoreland, NY | 13490 | 315 |
| Whitesboro, NY | 13492 | 315 |
| Whitestown, NY | 13492 | 315 |
| Willowvale, NY | 13319 | 315 |
| Woodgate, NY | 13494 | 315 |
| Yorkville, NY | 13495 | 315 |