Donegal is located in Westmoreland county Pennsylvania with a geographic area of 0.2 square miles. The total population in Donegal is 150 with 60.7% male and 39.3% female. Children under age 5 represent 12.0% of the population, under age 18 equal 26.7% of the population and over age 65 is 29.3% of the population. The median household income is $28,942, per capita income is $18,536. There are a total of 57 housing units with 75.4% owner occupied. Education includes 54.4% of residents that are high school graduates and 1.8% with a bachelor's degree or higher. The average temperature in Donegal in the summer is 73 degrees, and in the winter 33 degrees.