| City : | Marathon City |
| County : | Buena Vista County, Foster County, Hillsborough County |
| State : | Iowa (IA) |
| | |
| Land Area : | 0.74 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.8602686 |
| Longitude : | -94.9828686 |
| | |
| Population (2010): | 237 |
| Population Estimate (2012) : | 251 |
| Population Density : | 320.73/sq mi |
| Housing Units (2012) : | 150 |
| Median Household Income (2012) : | $38,750 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $55,375 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $26,500 (Iowa : $123,000, USA : $181,400) |