| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rochester | 1 | 204,932 | 210,781 | -0.57% | 5,731 | 36 | City |
| Greece | 2 | 94,370 | 96,538 | -0.12% | 1,986 | 48 | Town |
| Irondequoit | 3 | 50,060 | 50,933 | -0.24% | 3,334 | 15 | Town |
| Henrietta | 4 | 48,730 | 47,118 | -0.21% | 1,380 | 35 | Town |
| Perinton | 5 | 46,786 | 47,440 | -0.08% | 1,368 | 34 | Town |
| Webster | 6 | 45,393 | 45,338 | 0.19% | 1,354 | 34 | Town |
| Penfield | 7 | 39,146 | 39,399 | 0.02% | 1,051 | 37 | Town |
| Brighton | 8 | 36,817 | 36,973 | 0.33% | 2,390 | 15 | Town |
| Pittsford | 9 | 30,610 | 30,586 | 0.07% | 1,320 | 23 | Town |
| Gates | 10 | 29,130 | 29,422 | 0.49% | 1,917 | 15 | Town |
| Chili | 11 | 28,915 | 29,153 | 0.06% | 732 | 39 | Town |
| Ogden | 12 | 19,931 | 20,280 | -0.05% | 546 | 36 | Town |
| Parma | 13 | 16,071 | 16,228 | 0.12% | 382 | 42 | Town |
| Sweden | 14 | 14,215 | 13,204 | 0.82% | 422 | 34 | Town |
| Mendon | 15 | 9,108 | 9,075 | 0.4% | 231 | 39 | Town |
| Hamlin | 16 | 8,597 | 8,672 | -0.05% | 199 | 43 | Town |
| Brockport | 17 | 7,902 | 7,064 | 2.15% | 3,635 | 2 | Village |
| Rochester | 18 | 7,498 | 7,277 | 0.47% | 84 | 89 | Town |
| Clarkson | 19 | 6,844 | 6,947 | 0.19% | 206 | 33 | Town |
| East Rochester | 20 | 6,122 | 6,335 | -0.16% | 4,656 | 1 | Town |
| East Rochester | 21 | 6,083 | 6,335 | -0.8% | 4,626 | 1 | Village |
| Hilton | 22 | 5,837 | 6,031 | -0.61% | 3,268 | 2 | Village |
| Webster | 23 | 5,774 | 5,666 | 0.23% | 2,621 | 2 | Village |
| Riga | 24 | 5,470 | 5,581 | -0.02% | 156 | 35 | Town |
| Fairport | 25 | 5,296 | 5,455 | -0.56% | 3,352 | 2 | Village |
| Wheatland | 26 | 4,791 | 4,888 | -0.15% | 158 | 30 | Town |
| Spencerport | 27 | 3,571 | 3,683 | -0.58% | 2,584 | 1 | Village |
| Rush | 28 | 3,476 | 3,493 | 0.23% | 115 | 30 | Town |
| Honeoye Falls | 29 | 2,854 | 2,763 | 0.46% | 1,122 | 3 | Village |
| Churchville | 30 | 2,128 | 2,158 | -0.28% | 1,788 | 1 | Village |
| Scottsville | 31 | 1,982 | 2,045 | -0.6% | 1,830 | 1 | Village |
| Pittsford | 32 | 1,313 | 1,365 | -0.76% | 1,865 | 1 | Village |
Rochester is the largest city in Monroe County, with a population of 204,932.
Pittsford is the smallest city in Monroe County, with a population of 1,313.
There are 32 cities in Monroe County, New York.