35 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Clifton Park town | 1 | 37,244 | 38,037 | -0.73% | 773 | 48.20 | Town |
| Saratoga Springs | 2 | 28,546 | 28,540 | 0% | 1,017 | 28.06 | City |
| Halfmoon town | 3 | 26,437 | 25,710 | 0.02% | 811 | 32.58 | Town |
| Malta town | 4 | 17,677 | 17,142 | 0.51% | 633 | 27.92 | Town |
| Wilton town | 5 | 17,273 | 17,381 | -0.4% | 482 | 35.84 | Town |
| Moreau town | 6 | 16,575 | 16,264 | -0.29% | 395 | 41.91 | Town |
| Ballston town | 7 | 12,865 | 11,882 | 0.93% | 435 | 29.58 | Town |
| Stillwater town | 8 | 9,694 | 9,042 | 0.92% | 235 | 41.19 | Town |
| Waterford town | 9 | 7,962 | 8,208 | -0.9% | 1,212 | 6.57 | Town |
| Greenfield town | 10 | 7,960 | 8,005 | -0.45% | 118 | 67.40 | Town |
| Scotia | 11 | 7,193 | 7,262 | -0.19% | 4,261 | 1.69 | Village |
| Corinth town | 12 | 6,785 | 6,512 | 1.21% | 120 | 56.76 | Town |
| Country Knolls | 13 | 6,708 | 5,306 | 4.67% | 1,959 | 3.42 | CDP |
| Saratoga town | 14 | 5,772 | 5,814 | -0.47% | 142 | 40.56 | Town |
| Northumberland town | 15 | 5,071 | 5,235 | -1.03% | 157 | 32.30 | Town |
| Mechanicville | 16 | 5,039 | 5,163 | -0.49% | 6,006 | 0.84 | City |
| Clifton Knolls-Mill Creek | 17 | 4,953 | 3,709 | 7.16% | 3,127 | 1.58 | CDP |
| Ballston Spa | 18 | 4,811 | 5,116 | -1.25% | 3,005 | 1.60 | Village |
| Charlton town | 19 | 4,267 | 4,332 | -0.63% | 130 | 32.77 | Town |
| South Glens Falls | 20 | 3,701 | 3,740 | -0.22% | 2,725 | 1.36 | Village |
| Galway town | 21 | 3,469 | 3,523 | -0.66% | 79 | 43.82 | Town |
| Clifton Gardens | 22 | 2,766 | 2,631 | 7.13% | 2,510 | 1.10 | CDP |
| Corinth | 23 | 2,701 | 2,558 | 1.09% | 2,531 | 1.07 | Village |
| Providence town | 24 | 2,082 | 2,072 | 0.05% | 47 | 44 | Town |
| Waterford | 25 | 2,018 | 2,037 | -0.2% | 7,131 | 0.28 | Village |
| Hadley town | 26 | 1,922 | 1,976 | -0.88% | 48 | 39.70 | Town |
| Stillwater | 27 | 1,745 | 1,752 | -0.06% | 1,387 | 1.26 | Village |
| Schuylerville | 28 | 1,340 | 1,365 | -0.37% | 2,514 | 0.53 | Village |
| Edinburg town | 29 | 1,336 | 1,334 | -0.15% | 22 | 60.17 | Town |
| North Ballston Spa | 30 | 1,269 | 1,265 | -0.39% | 1,460 | 0.87 | CDP |
| Hadley | 31 | 1,088 | 1,043 | 0.55% | 748 | 1.45 | CDP |
| Round Lake | 32 | 880 | 815 | 1.5% | 784 | 1.12 | Village |
| Day town | 33 | 810 | 825 | -0.61% | 13 | 64.11 | Town |
| Victory | 34 | 673 | 678 | -0.15% | 1,282 | 0.53 | Village |
| Galway | 35 | 157 | 162 | -0.63% | 613 | 0.26 | Village |
Clifton Park town is the largest city in Saratoga County, with a population of 37,244.
Galway is the smallest city in Saratoga County.
There are 35 cities in Saratoga County, New York.