43 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rochester | 1 | 204,882 | 210,862 | -0.58% | 5,729 | 35.76 | City |
| Greece town | 2 | 93,265 | 96,562 | -0.71% | 1,963 | 47.51 | Town |
| Henrietta town | 3 | 51,084 | 46,249 | 2.34% | 1,446 | 35.32 | Town |
| Irondequoit | 4 | 50,552 | 50,141 | -0.15% | 3,367 | 15.02 | CDP |
| Irondequoit town | 5 | 49,019 | 50,934 | -0.72% | 3,264 | 15.02 | Town |
| Perinton town | 6 | 46,780 | 47,464 | 0.01% | 1,368 | 34.20 | Town |
| Webster town | 7 | 44,865 | 45,360 | -0.32% | 1,339 | 33.52 | Town |
| Penfield town | 8 | 37,780 | 39,318 | -0.65% | 1,015 | 37.24 | Town |
| Brighton | 9 | 36,872 | 36,163 | 0.05% | 2,393 | 15.41 | CDP |
| Brighton town | 10 | 35,588 | 36,973 | -0.74% | 2,310 | 15.41 | Town |
| Pittsford town | 11 | 30,158 | 30,590 | -0.07% | 1,301 | 23.18 | Town |
| Chili town | 12 | 28,643 | 29,126 | -0.54% | 725 | 39.50 | Town |
| Gates town | 13 | 28,443 | 29,372 | -0.61% | 1,871 | 15.20 | Town |
| Ogden town | 14 | 20,076 | 20,283 | -0.14% | 550 | 36.48 | Town |
| Parma town | 15 | 15,838 | 16,209 | -0.52% | 377 | 42.02 | Town |
| Greece | 16 | 14,378 | 14,477 | -0.06% | 3,288 | 4.37 | CDP |
| Sweden town | 17 | 13,378 | 13,250 | 0.14% | 397 | 33.68 | Town |
| North Gates | 18 | 10,294 | 9,740 | 0.51% | 3,868 | 2.66 | CDP |
| Mendon town | 19 | 9,116 | 9,101 | 0.45% | 231 | 39.47 | Town |
| Gananda | 20 | 8,586 | 6,177 | 7.14% | 2,359 | 3.64 | CDP |
| Hamlin town | 21 | 8,488 | 8,729 | -0.76% | 196 | 43.25 | Town |
| Rochester town | 22 | 7,388 | 7,280 | 0.16% | 83 | 89.30 | Town |
| Rochester Institute Technology | 23 | 7,376 | 5,622 | 7.15% | 3,721 | 1.98 | CDP |
| Brockport | 24 | 7,109 | 7,113 | -0.01% | 3,270 | 2.17 | Village |
| Clarkson town | 25 | 6,699 | 6,901 | -0.61% | 202 | 33.18 | Town |
| East Rochester town | 26 | 6,064 | 6,323 | -0.77% | 4,611 | 1.31 | Town |
| East Rochester | 27 | 6,048 | 6,323 | -0.9% | 4,599 | 1.31 | Village |
| Hilton | 28 | 5,794 | 6,036 | -0.82% | 3,244 | 1.79 | Village |
| Webster | 29 | 5,758 | 5,735 | 0.09% | 2,614 | 2.20 | Village |
| Riga town | 30 | 5,541 | 5,573 | -0.02% | 158 | 34.96 | Town |
| Fairport | 31 | 5,281 | 5,460 | -0.68% | 3,342 | 1.58 | Village |
| Clarkson | 32 | 5,188 | 5,046 | 1.07% | 570 | 9.11 | CDP |
| Wheatland town | 33 | 4,746 | 4,888 | -0.82% | 156 | 30.41 | Town |
| Gates | 34 | 4,667 | 4,782 | -0.36% | 2,358 | 1.98 | CDP |
| Hamlin | 35 | 4,641 | 5,720 | -1.26% | 604 | 7.68 | CDP |
| Spencerport | 36 | 3,637 | 3,681 | -0.25% | 2,632 | 1.38 | Village |
| Rush town | 37 | 3,371 | 3,484 | -0.94% | 111 | 30.33 | Town |
| Honeoye Falls | 38 | 2,846 | 2,793 | 0.39% | 1,119 | 2.54 | Village |
| Churchville | 39 | 2,219 | 2,158 | 0.54% | 1,865 | 1.19 | Village |
| Scottsville | 40 | 1,961 | 2,046 | -0.86% | 1,811 | 1.08 | Village |
| St. John Fisher College | 41 | 1,595 | 1,357 | 7.12% | 6,646 | 0.24 | CDP |
| Nazareth College | 42 | 1,536 | 1,087 | 7.11% | 7,014 | 0.22 | CDP |
| Pittsford | 43 | 1,309 | 1,366 | -0.83% | 1,859 | 0.70 | Village |
Rochester is the largest city in Monroe County, with a population of 204,882.
Pittsford is the smallest city in Monroe County.
There are 43 cities in Monroe County, New York.