43 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rochester | 1 | 206,379 | 210,892 | -0.44% | 5,771 | 36 | City |
| Greece | 2 | 94,627 | 96,562 | -0.02% | 1,992 | 48 | Town |
| Irondequoit | 3 | 50,552 | 50,141 | -0.15% | 3,367 | 15 | CDP |
| Irondequoit | 4 | 50,485 | 50,945 | 0.21% | 3,362 | 15 | Town |
| Henrietta | 5 | 49,672 | 46,248 | 0.45% | 1,406 | 35 | Town |
| Perinton | 6 | 47,045 | 47,443 | 0.3% | 1,376 | 34 | Town |
| Webster | 7 | 45,609 | 45,345 | 0.59% | 1,361 | 34 | Town |
| Penfield | 8 | 38,807 | 39,334 | 0.26% | 1,042 | 37 | Town |
| Brighton | 9 | 36,872 | 36,163 | 0.05% | 2,393 | 15 | CDP |
| Brighton | 10 | 36,580 | 37,214 | -0.1% | 2,374 | 15 | Town |
| Pittsford | 11 | 30,355 | 30,591 | -0.34% | 1,309 | 23 | Town |
| Chili | 12 | 28,932 | 29,150 | 0.02% | 732 | 39 | Town |
| Gates | 13 | 28,863 | 29,369 | 0.14% | 1,899 | 15 | Town |
| Ogden | 14 | 20,595 | 20,285 | 1.21% | 565 | 36 | Town |
| Parma | 15 | 16,252 | 16,206 | 0.79% | 387 | 42 | Town |
| Greece | 16 | 14,378 | 14,477 | -0.06% | 3,288 | 4 | CDP |
| Sweden | 17 | 13,884 | 13,252 | 0.62% | 412 | 34 | Town |
| North Gates | 18 | 10,294 | 9,740 | 0.51% | 3,868 | 3 | CDP |
| Mendon | 19 | 9,079 | 9,070 | 0.41% | 230 | 39 | Town |
| Hamlin | 20 | 8,617 | 8,666 | -0.02% | 199 | 43 | Town |
| Gananda | 21 | 8,586 | 6,177 | 7.14% | 2,359 | 4 | CDP |
| Brockport | 22 | 7,583 | 7,113 | 1.26% | 3,488 | 2 | Village |
| Rochester | 23 | 7,437 | 7,281 | 0.39% | 83 | 89 | Town |
| Rochester Institute Technology | 24 | 7,376 | 5,622 | 7.15% | 3,721 | 2 | CDP |
| Clarkson | 25 | 6,772 | 6,897 | 0.06% | 204 | 33 | Town |
| East Rochester | 26 | 6,118 | 6,327 | -0.34% | 4,652 | 1 | Town |
| East Rochester | 27 | 6,092 | 6,327 | -0.77% | 4,633 | 1 | Village |
| Hilton | 28 | 5,960 | 6,035 | -0.25% | 3,337 | 2 | Village |
| Webster | 29 | 5,809 | 5,698 | 0.38% | 2,637 | 2 | Village |
| Riga | 30 | 5,563 | 5,576 | 0.42% | 159 | 35 | Town |
| Fairport | 31 | 5,312 | 5,456 | -0.54% | 3,362 | 2 | Village |
| Clarkson | 32 | 5,188 | 5,046 | 1.07% | 570 | 9 | CDP |
| Wheatland | 33 | 4,855 | 4,891 | 0.25% | 160 | 30 | Town |
| Gates | 34 | 4,667 | 4,782 | -0.36% | 2,358 | 2 | CDP |
| Hamlin | 35 | 4,641 | 5,720 | -1.26% | 604 | 8 | CDP |
| Spencerport | 36 | 3,600 | 3,679 | -0.44% | 2,605 | 1 | Village |
| Rush | 37 | 3,464 | 3,484 | 0.41% | 114 | 30 | Town |
| Honeoye Falls | 38 | 2,830 | 2,764 | 0.46% | 1,113 | 3 | Village |
| Churchville | 39 | 2,190 | 2,159 | 0.27% | 1,840 | 1 | Village |
| Scottsville | 40 | 1,993 | 2,048 | -0.55% | 1,840 | 1 | Village |
| St. John Fisher College | 41 | 1,595 | 1,357 | 7.12% | 6,646 | 0 | CDP |
| Nazareth College | 42 | 1,536 | 1,087 | 7.11% | 7,014 | 0 | CDP |
| Pittsford | 43 | 1,317 | 1,365 | -0.75% | 1,871 | 1 | Village |
Rochester is the largest city in Monroe County, with a population of 206,379.
Pittsford is the smallest city in Monroe County, with a population of 1,317.
There are 43 cities in Monroe County, New York.