Marne is located in Cass County, IA. The population is 73, making Marne the 7th largest city in Cass County.
There are 0 public schools in Marne with an average Homefacts rating of NA. The total crime rate for Marne is low , and there are 0 registered sex offenders residing in the city. Unemployment in Marne is low and the median home sales price is $0. Detailed and up-to-date Marne property reports are available for any property address.
Cities near Marne include Brighton Township, Layton Township and Washington Township.