None of the households in Marathon, IA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.1% of the residents in Marathon, IA are U.S. citizens.
In 2024, the median property value in Marathon, IA was $46,900, and the homeownership rate was 89.4%.
Most people in Marathon, IA drove alone to work, and the average commute time was 26.5 minutes. The average car ownership in Marathon, IA was 1 car per household.