40 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ramapo | 1 | 159,598 | 148,697 | 1.8% | 2,608 | 61 | Town |
| Clarkstown | 2 | 88,565 | 86,534 | 0.97% | 2,302 | 38 | Town |
| Orangetown | 3 | 49,821 | 48,437 | 1.28% | 2,071 | 24 | Town |
| Haverstraw | 4 | 39,853 | 38,944 | 0.96% | 1,789 | 22 | Town |
| New City | 5 | 33,906 | 34,060 | 0.07% | 2,193 | 15 | CDP |
| Spring Valley | 6 | 33,802 | 32,975 | 0.49% | 16,834 | 2 | Village |
| Monsey | 7 | 30,756 | 23,733 | 2.75% | 13,413 | 2 | CDP |
| Nanuet | 8 | 21,262 | 19,148 | 1.07% | 3,912 | 5 | CDP |
| Pearl River | 9 | 16,563 | 16,340 | 0.27% | 2,438 | 7 | CDP |
| Stony Point | 10 | 15,141 | 14,766 | 1.03% | 547 | 28 | Town |
| Stony Point | 11 | 12,629 | 13,006 | 0.25% | 2,145 | 6 | CDP |
| Haverstraw | 12 | 12,489 | 12,266 | 0.35% | 6,295 | 2 | Village |
| Suffern | 13 | 11,567 | 11,416 | 0.26% | 5,516 | 2 | Village |
| West Haverstraw | 14 | 10,836 | 10,676 | 0.3% | 7,138 | 2 | Village |
| Chestnut Ridge | 15 | 10,815 | 10,470 | 0.64% | 2,184 | 5 | Village |
| Airmont | 16 | 10,458 | 10,066 | 0.75% | 2,291 | 5 | Village |
| New Square | 17 | 10,043 | 9,693 | 0.7% | 27,365 | 0 | Village |
| Valley Cottage | 18 | 9,060 | 8,861 | -0.03% | 2,063 | 4 | CDP |
| Hillcrest | 19 | 8,333 | 7,478 | 0.63% | 6,385 | 1 | CDP |
| Mount Ivy | 20 | 7,943 | 7,390 | 0.9% | 5,389 | 1 | CDP |
| Congers | 21 | 7,762 | 8,158 | -0.51% | 2,437 | 3 | CDP |
| Viola | 22 | 7,514 | 7,205 | 0.58% | 2,719 | 3 | CDP |
| Nyack | 23 | 7,402 | 7,237 | 0.45% | 9,613 | 1 | Village |
| Tappan | 24 | 7,117 | 7,415 | 0.48% | 2,581 | 3 | CDP |
| Wesley Hills | 25 | 6,354 | 6,134 | 0.7% | 1,896 | 3 | Village |
| Kaser | 26 | 6,096 | 5,466 | 2.11% | 35,442 | 0 | Village |
| New Hempstead | 27 | 5,530 | 5,452 | 0.27% | 1,946 | 3 | Village |
| Blauvelt | 28 | 5,020 | 5,423 | -0.89% | 1,113 | 5 | CDP |
| Orangeburg | 29 | 4,789 | 4,454 | 0.31% | 1,563 | 3 | CDP |
| Montebello | 30 | 4,741 | 4,650 | 0.38% | 1,097 | 4 | Village |
| Thiells | 31 | 4,356 | 4,247 | -1.02% | 2,399 | 2 | CDP |
| Pomona | 32 | 3,993 | 3,830 | 0.81% | 1,664 | 2 | Village |
| West Nyack | 33 | 3,850 | 3,970 | 0.71% | 1,317 | 3 | CDP |
| Bardonia | 34 | 3,352 | 3,575 | -1.47% | 1,308 | 3 | CDP |
| Sloatsburg | 35 | 3,082 | 3,025 | 0.36% | 1,233 | 2 | Village |
| Piermont | 36 | 2,555 | 2,512 | 0.31% | 3,796 | 1 | Village |
| Upper Nyack | 37 | 2,038 | 2,015 | 0.2% | 1,660 | 1 | Village |
| Sparkill | 38 | 1,015 | 1,399 | -3.52% | 1,915 | 1 | CDP |
| Hillburn | 39 | 938 | 921 | 0.32% | 420 | 2 | Village |
| Grand View-on-Hudson | 40 | 275 | 270 | 0.36% | 1,580 | 0 | Village |
Ramapo is the largest city in Rockland County, with a population of 159,598.
Grand View-on-Hudson is the smallest city in Rockland County, with a population of 275.
There are 40 cities in Rockland County, New York.