Marne is located in Iowa. Marne, Iowa has a population of 128. Marne is less family-centric than the surrounding county with 11.63% of the households containing married families with children. The county average for households married with children is 29.09%.
The median household income in Marne, Iowa is $53,125. The median household income for the surrounding county is $45,637 compared to the national median of $57,652. The median age of people living in Marne is 48.8 years.
The average high temperature in July is 85.9 degrees, with an average low temperature in January of 9.7 degrees. The average rainfall is approximately 35.2 inches per year, with 26.6 inches of snow per year.