Allison is located in Iowa. Allison, Iowa has a population of 1,120. Allison is more family-centric than the surrounding county with 29.51% of the households containing married families with children. The county average for households married with children is 27.99%.
The median household income in Allison, Iowa is $56,667. The median household income for the surrounding county is $61,109 compared to the national median of $69,021. The median age of people living in Allison is 43.7 years.
The average high temperature in July is 82.9 degrees, with an average low temperature in January of 8.1 degrees. The average rainfall is approximately 35 inches per year, with 32.2 inches of snow per year.
