Gilman is located in Iowa. Gilman, Iowa has a population of 579. Gilman is less family-centric than the surrounding county with 24.07% of the households containing married families with children. The county average for households married with children is 30.5%.
The median household income in Gilman, Iowa is $47,031. The median household income for the surrounding county is $52,752 compared to the national median of $57,652. The median age of people living in Gilman is 42.8 years.
The average high temperature in July is 83.7 degrees, with an average low temperature in January of 10 degrees. The average rainfall is approximately 36.3 inches per year, with 24.7 inches of snow per year.