Thiells is located in Rockland county New york with a geographic area of 1.8 square miles. The total population in Thiells is 4,247 with 49.9% male and 50.1% female. Children under age 5 represent 4.0% of the population, under age 18 equal 18.3% of the population and over age 65 is 20.1% of the population. The median household income is $134,800, per capita income is $55,117. There are a total of 1,442 housing units with 90.3% owner occupied. Education includes 16.4% of residents that are high school graduates and 55.5% with a bachelor's degree or higher. The average temperature in Thiells in the summer is 70 degrees, and in the winter 27 degrees.
