Marathon Real EstateMarathon is located in Iowa. Marathon, Iowa has a population of 251. Marathon is less family-centric than the surrounding county with 19.67% of the households containing married families with children. The county average for households married with children is 34.47%. The median household income in Marathon, Iowa is $36,458. The median household income for the surrounding county is $52,784 compared to the national median of $57,652. The median age of people living in Marathon is 42.8 years. Marathon WeatherThe average high temperature in July is 82.9 degrees, with an average low temperature in January of 7.9 degrees. The average rainfall is approximately 31.8 inches per year, with 31.4 inches of snow per year. Marathon MapReal estate near MarathonNearby CitiesNearby Cities Homes for Sale |