Coeymans is a hamlet in Albany County, New York, United States.

It is located on Route 144 in the southeastern part of the Town of Coeymans.

There were 354 housing units at an average density of 324.0 per square mile (125.1/km2).

26.2% of all households were made up of individuals, and 14.4% had someone living alone who was 65 years of age or older.

Out of the total population, 11.1% of those under the age of 18 and 17.6% of those 65 and older were living below the poverty line.