Allison is located in Colorado. Allison, Colorado has a population of 659.
The median household income in Allison, Colorado is $58,450. The median household income for the surrounding county is $75,089 compared to the national median of $69,021. The median age of people living in Allison is 37.1 years.
The average high temperature in July is 87.3 degrees, with an average low temperature in January of 10.5 degrees. The average rainfall is approximately 17.6 inches per year, with 51 inches of snow per year.