There are 19 cities in Clinton County, New York.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Plattsburgh | 1 | New York | 19,983 | 19,825 | 0.2% | 3,722 | 5.37 |
| Keeseville | 2 | New York | 2,533 | 2,557 | -0.24% | 421 | 6.02 |
| Dannemora | 3 | New York | 2,247 | 3,291 | -10.41% | 1,862 | 1.21 |
| Rouses Point | 4 | New York | 2,206 | 2,244 | -0.41% | 1,261 | 1.75 |
| Peru | 5 | New York | 2,057 | 1,557 | 6.47% | 1,069 | 1.92 |
| Morrisonville | 6 | New York | 1,727 | 1,551 | 2.61% | 514 | 3.36 |
| Cumberland Head | 7 | New York | 1,385 | 1,495 | 1.02% | 359 | 3.86 |
| Plattsburgh West | 8 | New York | 1,384 | 1,230 | 2.9% | 730 | 1.90 |
| Champlain | 9 | New York | 1,140 | 1,168 | -0.61% | 782 | 1.46 |
| Au Sable Forks | 10 | New York | 764 | 416 | 12.85% | 308 | 2.48 |
| Chateaugay | 11 | New York | 739 | 747 | -0.27% | 682 | 1.08 |
| Mooers | 12 | New York | 606 | 442 | 7.26% | 499 | 1.21 |
| Cadyville | 13 | New York | 573 | 525 | 2.14% | 528 | 1.09 |
| West Chazy | 14 | New York | 562 | 400 | 7.87% | 299 | 1.88 |
| Altona | 15 | New York | 495 | 819 | -14.06% | 290 | 1.71 |
| Chazy | 16 | New York | 450 | 717 | -2.81% | 265 | 1.70 |
| Redford | 17 | New York | 254 | 258 | -0.39% | 189 | 1.35 |
| Lyon Mountain | 18 | New York | 238 | 287 | -2.46% | 23 | 10.51 |
| Parc | 19 | New York | 139 | 225 | -10.32% | 113 | 1.23 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Plattsburgh is the largest city in Clinton County.
Parc is the smallest city in Clinton County.
There are 19 cities in Clinton County, New York.