40 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ramapo town | 1 | 154,849 | 148,703 | 0.65% | 2,531 | 61.19 | Town |
| Clarkstown town | 2 | 85,645 | 86,521 | -0.34% | 2,227 | 38.47 | Town |
| Orangetown town | 3 | 48,001 | 48,437 | -0.22% | 1,995 | 24.05 | Town |
| Haverstraw town | 4 | 38,559 | 38,939 | -0.31% | 1,731 | 22.28 | Town |
| New City | 5 | 33,906 | 34,060 | 0.07% | 2,193 | 15.46 | CDP |
| Spring Valley | 6 | 32,976 | 32,958 | 0.01% | 16,422 | 2.01 | Village |
| Monsey | 7 | 30,756 | 23,733 | 2.75% | 13,413 | 2.29 | CDP |
| Nanuet | 8 | 21,262 | 19,148 | 1.07% | 3,912 | 5.43 | CDP |
| Pearl River | 9 | 16,563 | 16,340 | 0.27% | 2,438 | 6.79 | CDP |
| Stony Point town | 10 | 14,653 | 14,767 | -0.23% | 529 | 27.70 | Town |
| Stony Point | 11 | 12,629 | 13,006 | 0.25% | 2,145 | 5.89 | CDP |
| Haverstraw | 12 | 12,201 | 12,263 | -0.1% | 6,150 | 1.98 | Village |
| Suffern | 13 | 11,292 | 11,414 | -0.21% | 5,385 | 2.10 | Village |
| West Haverstraw | 14 | 10,586 | 10,675 | -0.17% | 6,974 | 1.52 | Village |
| Chestnut Ridge | 15 | 10,564 | 10,469 | 0.18% | 2,134 | 4.95 | Village |
| Airmont | 16 | 10,228 | 10,065 | 0.32% | 2,241 | 4.57 | Village |
| New Square | 17 | 9,894 | 9,718 | 0.36% | 26,959 | 0.37 | Village |
| Valley Cottage | 18 | 9,060 | 8,861 | -0.03% | 2,063 | 4.39 | CDP |
| Hillcrest | 19 | 8,333 | 7,478 | 0.63% | 6,385 | 1.30 | CDP |
| Mount Ivy | 20 | 7,943 | 7,390 | 0.9% | 5,389 | 1.47 | CDP |
| Congers | 21 | 7,762 | 8,158 | -0.51% | 2,437 | 3.19 | CDP |
| Viola | 22 | 7,514 | 7,205 | 0.58% | 2,719 | 2.76 | CDP |
| Nyack | 23 | 7,248 | 7,237 | 0.03% | 9,413 | 0.77 | Village |
| Tappan | 24 | 7,117 | 7,415 | 0.48% | 2,581 | 2.76 | CDP |
| Wesley Hills | 25 | 6,191 | 6,130 | 0.19% | 1,847 | 3.35 | Village |
| Kaser | 26 | 5,851 | 5,470 | 1.32% | 34,017 | 0.17 | Village |
| New Hempstead | 27 | 5,397 | 5,451 | -0.2% | 1,899 | 2.84 | Village |
| Blauvelt | 28 | 5,020 | 5,423 | -0.89% | 1,113 | 4.51 | CDP |
| Orangeburg | 29 | 4,789 | 4,454 | 0.31% | 1,563 | 3.06 | CDP |
| Montebello | 30 | 4,608 | 4,648 | -0.17% | 1,066 | 4.32 | Village |
| Thiells | 31 | 4,356 | 4,247 | -1.02% | 2,399 | 1.82 | CDP |
| Pomona | 32 | 3,916 | 3,831 | 0.44% | 1,632 | 2.40 | Village |
| West Nyack | 33 | 3,850 | 3,970 | 0.71% | 1,317 | 2.92 | CDP |
| Bardonia | 34 | 3,352 | 3,575 | -1.47% | 1,308 | 2.56 | CDP |
| Sloatsburg | 35 | 3,003 | 3,025 | -0.13% | 1,202 | 2.50 | Village |
| Piermont | 36 | 2,491 | 2,510 | -0.16% | 3,701 | 0.67 | Village |
| Upper Nyack | 37 | 1,987 | 2,009 | -0.2% | 1,618 | 1.23 | Village |
| Sparkill | 38 | 1,015 | 1,399 | -3.52% | 1,915 | 0.53 | CDP |
| Hillburn | 39 | 926 | 925 | 0% | 415 | 2.23 | Village |
| Grand View-on-Hudson | 40 | 268 | 270 | 0% | 1,540 | 0.17 | Village |
Ramapo town is the largest city in Rockland County, with a population of 154,849.
Grand View-on-Hudson is the smallest city in Rockland County.
There are 40 cities in Rockland County, New York.