There are 22 cities in Oswego County, New York.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Oswego | 1 | New York | 17,057 | 16,915 | 0.21% | 2,240 | 7.61 |
| Fulton | 2 | New York | 11,207 | 11,371 | -0.36% | 2,857 | 3.92 |
| Brewerton | 3 | New York | 4,753 | 4,549 | 0.38% | 1,501 | 3.17 |
| SUNY Oswego | 4 | New York | 3,020 | 3,656 | -5% | 8,961 | 0.34 |
| Pulaski | 5 | New York | 2,300 | 2,176 | 1.37% | 650 | 3.54 |
| Phoenix | 6 | New York | 2,194 | 2,222 | -0.32% | 1,874 | 1.17 |
| Camden | 7 | New York | 2,124 | 2,198 | -0.89% | 872 | 2.44 |
| Central Square | 8 | New York | 1,833 | 1,860 | -0.38% | 962 | 1.91 |
| Constantia | 9 | New York | 1,649 | 1,505 | 2.23% | 544 | 3.03 |
| Mexico | 10 | New York | 1,551 | 1,574 | -0.39% | 723 | 2.15 |
| Minetto | 11 | New York | 1,375 | 1,485 | -1.93% | 366 | 3.75 |
| Sand Ridge | 12 | New York | 1,047 | 1,175 | -2.97% | 387 | 2.71 |
| Fair Haven | 13 | New York | 765 | 789 | -0.78% | 434 | 1.76 |
| Cleveland | 14 | New York | 729 | 736 | -0.27% | 645 | 1.13 |
| Lacona | 15 | New York | 666 | 674 | -0.3% | 599 | 1.11 |
| Sandy Creek | 16 | New York | 619 | 625 | -0.32% | 459 | 1.35 |
| Hannibal | 17 | New York | 536 | 543 | -0.37% | 465 | 1.15 |
| Parish | 18 | New York | 443 | 451 | -0.45% | 281 | 1.57 |
| Pierrepont Manor | 19 | New York | 322 | 416 | -6.67% | 416 | 0.77 |
| Mannsville | 20 | New York | 319 | 322 | -0.31% | 356 | 0.90 |
| Altmar | 21 | New York | 306 | 289 | -0.65% | 148 | 2.07 |
| Ellisburg | 22 | New York | 213 | 215 | -0.47% | 213 | 1 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Oswego is the largest city in Oswego County.
Ellisburg is the smallest city in Oswego County.
There are 22 cities in Oswego County, New York.