There are 19 cities in Erie County, New York.
City | Rank | 2023 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|
| Buffalo | 1 | 274,618 | 277,908 | -0.4% | 6,801 | 40.38 |
| Lackawanna | 2 | 19,581 | 19,915 | -0.56% | 2,990 | 6.55 |
| Tonawanda | 3 | 14,924 | 15,118 | -0.43% | 3,924 | 3.80 |
| Kenmore | 4 | 14,908 | 15,170 | -0.58% | 10,382 | 1.44 |
| Depew | 5 | 14,889 | 15,146 | -0.57% | 2,933 | 5.08 |
| Lancaster | 6 | 9,893 | 10,019 | -0.42% | 3,665 | 2.70 |
| Hamburg | 7 | 9,807 | 9,747 | 0.2% | 3,956 | 2.48 |
| East Aurora | 8 | 6,073 | 6,070 | 0.02% | 2,419 | 2.51 |
| Williamsville | 9 | 5,583 | 5,413 | 1.03% | 4,438 | 1.26 |
| Springville | 10 | 4,174 | 4,219 | -0.36% | 1,134 | 3.68 |
| Sloan | 11 | 3,714 | 3,768 | -0.48% | 4,762 | 0.78 |
| Orchard Park | 12 | 3,027 | 3,081 | -0.59% | 2,254 | 1.34 |
| Akron | 13 | 2,879 | 2,909 | -0.35% | 1,431 | 2.01 |
| Alden | 14 | 2,584 | 2,599 | -0.19% | 951 | 2.72 |
| Blasdell | 15 | 2,551 | 2,536 | 0.2% | 2,270 | 1.12 |
| Angola | 16 | 2,013 | 2,046 | -0.54% | 1,421 | 1.42 |
| North Collins | 17 | 1,243 | 1,261 | -0.48% | 1,552 | 0.80 |
| Aurora | 18 | 610 | 616 | -0.33% | 664 | 0.92 |
| Farnham | 19 | 366 | 366 | 303 | 1.21 |
Buffalo is the largest city in Erie County.
Farnham is the smallest city in Erie County.
There are 19 cities in Erie County, New York.