Bethlehem is located in Catskills New york with a geographic area of square miles. The total population in Bethlehem is 35,011 with 48.3% male and 51.7% female. Children under age 5 represent 5.3% of the population, under age 18 equal 20.7% of the population and over age 65 is 19.0% of the population. The median household income is $104,224, per capita income is $53,514. There are a total of 14,532 housing units with 71.9% owner occupied. Education includes 13.4% of residents that are high school graduates and 63.3% with a bachelor's degree or higher. The average temperature in Bethlehem in the summer is 70 degrees, and in the winter 27 degrees.