Jefferson hills is located in Allegheny county Pennsylvania with a geographic area of 16.6 square miles. The total population in Jefferson hills is 11,166 with 47.1% male and 52.9% female. Children under age 5 represent 4.9% of the population, under age 18 equal 19.5% of the population and over age 65 is 22.0% of the population. The median household income is $96,645, per capita income is $51,382. There are a total of 4,537 housing units with 84.4% owner occupied. Education includes 16.7% of residents that are high school graduates and 46.8% with a bachelor's degree or higher. The average temperature in Jefferson hills in the summer is 73 degrees, and in the winter 33 degrees.