Plattekill is located in Ulster county New york with a geographic area of 2.8 square miles. The total population in Plattekill is 1,409 with 51.5% male and 48.5% female. Children under age 5 represent 11.0% of the population, under age 18 equal 29.3% of the population and over age 65 is 6.2% of the population. The median household income is $64,375, per capita income is $30,161. There are a total of 361 housing units with 58.2% owner occupied. Education includes 41.0% of residents that are high school graduates and 33.0% with a bachelor's degree or higher. The average temperature in Plattekill in the summer is 70 degrees, and in the winter 27 degrees.