Irwin is located in Pennsylvania. Irwin, Pennsylvania has a population of 3,894. Irwin is less family-centric than the surrounding county with 21.53% of the households containing married families with children. The county average for households married with children is 27.07%.
The median household income in Irwin, Pennsylvania is $54,477. The median household income for the surrounding county is $64,708 compared to the national median of $69,021. The median age of people living in Irwin is 45.3 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 20.4 degrees. The average rainfall is approximately 40.3 inches per year, with 26.1 inches of snow per year.
