| City : | Hartwick City |
| County : | Poweshiek County |
| State : | Iowa (IA) |
| Land Area : | 0.13 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.7861464 |
| Longitude : | -92.3453557 |
| Population (2010): | 86 |
| Population Estimate (2012) : | 60 |
| Population Density : | 642.36/sq mi |
| Housing Units (2012) : | 40 |
| Median Household Income (2012) : | $51,875 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $63,750 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $65,000 (Iowa : $123,000, USA : $181,400) |
Hartwick City Zip Codes
| 52232 (178) |