Donora is located in Washington county Pennsylvania with a geographic area of 1.9 square miles. The total population in Donora is 4,580 with 46.4% male and 53.6% female. Children under age 5 represent 6.7% of the population, under age 18 equal 22.6% of the population and over age 65 is 19.2% of the population. The median household income is $39,560, per capita income is $20,431. There are a total of 2,153 housing units with 45.2% owner occupied. Education includes 45.6% of residents that are high school graduates and 13.5% with a bachelor's degree or higher. The average temperature in Donora in the summer is 73 degrees, and in the winter 33 degrees.