Irwin Real EstateIrwin is located in Idaho. Irwin, Idaho has a population of 230. Irwin is less family-centric than the surrounding county with 21.92% of the households containing married families with children. The county average for households married with children is 40.68%. The median household income in Irwin, Idaho is $47,500. The median household income for the surrounding county is $54,150 compared to the national median of $57,652. The median age of people living in Irwin is 50.7 years. Irwin WeatherThe average high temperature in July is 83.7 degrees, with an average low temperature in January of 13.5 degrees. The average rainfall is approximately 19.3 inches per year, with 66.1 inches of snow per year. Irwin MapReal estate near IrwinNearby CitiesNearby Cities Homes for Sale |