| City : | Hamburg City |
| County : | Fremont County, Grafton County |
| State : | Iowa (IA) |
| Land Area : | 1.10 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.6060875 |
| Longitude : | -95.6550185 |
| Population (2010): | 1,187 |
| Population Estimate (2012) : | 1,149 |
| Population Density : | 1,081.04/sq mi |
| Housing Units (2012) : | 594 |
| Median Household Income (2012) : | $30,221 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $44,844 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $69,700 (Iowa : $123,000, USA : $181,400) |
Hamburg City Zip Codes
| 51640 (1,748) |