Olcott is a hamlet (and census-designated place) located in the Town of Newfane in Niagara County, New York, United States.

Olcott is a lakeside community which is home to the deepest harbor on Lake Ontario west of Rochester.

Olcott-Newfane Airport (D80) is located south of the village, but is closed indefinitely except for ultralight aircraft.

Slowly, efforts are being made to bring back this economic prosperity that the region once saw, and so far has been a success in Olcott.

[2] Olcott Beach enjoys a superior reputation as a world-class fishing destination by sportsmen and hobbyists alike.

27.3% of all households were made up of individuals, and 10.1% had someone living alone who was 65 years of age or older.