30 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Clifton Park | 1 | 38,081 | 38,037 | 0.24% | 790 | 48 | Town |
| Saratoga Springs | 2 | 28,836 | 28,551 | 0.17% | 1,028 | 28 | City |
| Halfmoon | 3 | 26,813 | 25,718 | 0.46% | 823 | 33 | Town |
| Wilton | 4 | 17,760 | 17,377 | 0.65% | 496 | 36 | Town |
| Malta | 5 | 17,552 | 17,145 | 0.07% | 629 | 28 | Town |
| Moreau | 6 | 16,888 | 16,268 | 0.38% | 403 | 42 | Town |
| Ballston | 7 | 13,907 | 11,880 | 3.15% | 470 | 30 | Town |
| Stillwater | 8 | 10,526 | 9,036 | 3.3% | 256 | 41 | Town |
| Greenfield | 9 | 8,114 | 8,004 | 0.32% | 120 | 67 | Town |
| Waterford | 10 | 8,066 | 8,211 | -0.2% | 1,228 | 7 | Town |
| Scotia | 11 | 7,350 | 7,262 | 0.2% | 4,354 | 2 | Village |
| Corinth | 12 | 6,632 | 6,512 | 0.02% | 117 | 57 | Town |
| Saratoga | 13 | 5,897 | 5,814 | 0.37% | 145 | 41 | Town |
| Northumberland | 14 | 5,195 | 5,236 | 0.08% | 161 | 32 | Town |
| Mechanicville | 15 | 5,043 | 5,162 | -0.4% | 6,011 | 1 | City |
| Ballston Spa | 16 | 4,837 | 5,116 | -0.94% | 3,021 | 2 | Village |
| Charlton | 17 | 4,403 | 4,333 | 0.59% | 134 | 33 | Town |
| South Glens Falls | 18 | 3,713 | 3,743 | -0.13% | 2,734 | 1 | Village |
| Galway | 19 | 3,514 | 3,522 | -0.03% | 80 | 44 | Town |
| Corinth | 20 | 2,678 | 2,557 | 0.75% | 2,510 | 1 | Village |
| Providence | 21 | 2,127 | 2,072 | 0.76% | 48 | 44 | Town |
| Waterford | 22 | 2,013 | 2,033 | -0.15% | 7,113 | 0 | Village |
| Hadley | 23 | 1,947 | 1,977 | -0.15% | 49 | 40 | Town |
| Stillwater | 24 | 1,760 | 1,756 | 0.06% | 1,399 | 1 | Village |
| Schuylerville | 25 | 1,348 | 1,366 | -0.22% | 2,529 | 1 | Village |
| Edinburg | 26 | 1,345 | 1,336 | 0.07% | 22 | 60 | Town |
| Round Lake | 27 | 876 | 813 | 1.27% | 781 | 1 | Village |
| Day | 28 | 819 | 825 | 0% | 13 | 64 | Town |
| Victory | 29 | 676 | 676 | 0% | 1,288 | 1 | Village |
| Galway | 30 | 155 | 160 | -0.64% | 605 | 0 | Village |
Clifton Park is the largest city in Saratoga County, with a population of 38,081.
Galway is the smallest city in Saratoga County, with a population of 155.
There are 30 cities in Saratoga County, New York.