Middletown is a town in Delaware County, New York, United States.

[1] The East Branch Delaware River flows from northeast to southwest across the town.

The summer climate features warm to hot and often humid weather.

As of the census[5] of 2000, there were 4,051 people, 1,672 households, and 1,034 families residing in the town.

There were 3,013 housing units at an average density of 31.3 per square mile (12.1/km2).

31.6% of all households were made up of individuals, and 14.4% had someone living alone who was 65 years of age or older.