| Zip Code : | 50632 |
| City : | Garwin city, Green Mountain |
| County : | Marshall County, Tama County |
| State : | Iowa (IA) |
| | |
| Land Area : | 42.36 sq mi |
| Water Area : | 0.21 sq mi |
| Latitude : | 42.0616002 |
| Longitude : | -92.6993518 |
| | |
| Population (2010): | 1,107 |
| Population Estimate (2012) : | 1,164 |
| Population Density : | 26.13/sq mi |
| Housing Units (2012) : | 534 |
| Median Household Income (2012) : | $53,839 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $58,889 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $80,400 (Iowa : $123,000, USA : $181,400) |