| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Clifton Park | 1 | 37,791 | 38,028 | 0.04% | 784 | 48 | Town |
| Saratoga Springs | 2 | 28,793 | 28,549 | 0.09% | 1,026 | 28 | City |
| Halfmoon | 3 | 26,775 | 25,707 | 0.44% | 822 | 33 | Town |
| Wilton | 4 | 17,812 | 17,350 | 0.96% | 497 | 36 | Town |
| Malta | 5 | 17,552 | 17,160 | 0.21% | 629 | 28 | Town |
| Moreau | 6 | 16,877 | 16,275 | 0.35% | 403 | 42 | Town |
| Ballston | 7 | 14,081 | 11,880 | 3.94% | 476 | 30 | Town |
| Stillwater | 8 | 10,555 | 9,062 | 3.5% | 256 | 41 | Town |
| Greenfield | 9 | 8,070 | 8,003 | 0.04% | 120 | 67 | Town |
| Waterford | 10 | 8,001 | 8,205 | -0.39% | 1,218 | 7 | Town |
| Scotia | 11 | 7,301 | 7,245 | 0.08% | 4,325 | 2 | Village |
| Corinth | 12 | 6,642 | 6,493 | 0.27% | 117 | 57 | Town |
| Saratoga | 13 | 5,876 | 5,818 | 0.29% | 145 | 41 | Town |
| Northumberland | 14 | 5,182 | 5,240 | 0.02% | 160 | 32 | Town |
| Mechanicville | 15 | 4,994 | 5,147 | -0.54% | 5,952 | 1 | City |
| Ballston Spa | 16 | 4,847 | 5,130 | -1.08% | 3,027 | 2 | Village |
| Charlton | 17 | 4,391 | 4,333 | 0.66% | 134 | 33 | Town |
| South Glens Falls | 18 | 3,694 | 3,745 | -0.27% | 2,720 | 1 | Village |
| Galway | 19 | 3,489 | 3,528 | -0.29% | 80 | 44 | Town |
| Corinth | 20 | 2,644 | 2,561 | 0.69% | 2,478 | 1 | Village |
| Providence | 21 | 2,121 | 2,070 | 0.66% | 48 | 44 | Town |
| Waterford | 22 | 1,992 | 2,029 | -0.35% | 7,039 | 0 | Village |
| Hadley | 23 | 1,961 | 1,989 | 0.05% | 49 | 40 | Town |
| Stillwater | 24 | 1,749 | 1,758 | -0.11% | 1,390 | 1 | Village |
| Schuylerville | 25 | 1,343 | 1,363 | -0.37% | 2,520 | 1 | Village |
| Edinburg | 26 | 1,339 | 1,335 | 0% | 22 | 60 | Town |
| Round Lake | 27 | 858 | 815 | 1.06% | 765 | 1 | Village |
| Day | 28 | 821 | 831 | -0.24% | 13 | 64 | Town |
| Victory | 29 | 675 | 679 | -0.15% | 1,286 | 1 | Village |
| Galway | 30 | 205 | 214 | -0.49% | 801 | 0 | Village |
Clifton Park is the largest city in Saratoga County, with a population of 37,791.
Galway is the smallest city in Saratoga County, with a population of 205.
There are 30 cities in Saratoga County, New York.