Irwin is located in Iowa. Irwin, Iowa has a population of 348. Irwin is less family-centric than the surrounding county with 25% of the households containing married families with children. The county average for households married with children is 30.15%.
The median household income in Irwin, Iowa is $76,250. The median household income for the surrounding county is $62,222 compared to the national median of $69,021. The median age of people living in Irwin is 49 years.
The average high temperature in July is 84.2 degrees, with an average low temperature in January of 10.1 degrees. The average rainfall is approximately 33.5 inches per year, with 29.8 inches of snow per year.
