North irwin is located in Westmoreland county Pennsylvania with a geographic area of 0.2 square miles. The total population in North irwin is 839 with 49.9% male and 50.1% female. Children under age 5 represent 3.8% of the population, under age 18 equal 15.5% of the population and over age 65 is 16.0% of the population. The median household income is $54,938, per capita income is $32,130. There are a total of 377 housing units with 64.2% owner occupied. Education includes 39.0% of residents that are high school graduates and 26.3% with a bachelor's degree or higher. The average temperature in North irwin in the summer is 73 degrees, and in the winter 33 degrees.
