Marathon is located in Buena Vista County, IA. The population is 251, making Marathon the 7th largest city in Buena Vista County.
There are 0 public schools in Marathon with an average Homefacts rating of NA. The total crime rate for Marathon is low , and there are 11 registered sex offenders residing in the city. Unemployment in Marathon is low and the median home sales price is $0. Detailed and up-to-date Marathon property reports are available for any property address.
Cities near Marathon include Poland Township, Lee Township and Fairfield Township.