| Zip Code : | 50701 |
| City : | Hudson city, Waterloo city |
| County : | Black Hawk County |
| State : | Iowa (IA) |
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| Land Area : | 81.59 sq mi |
| Water Area : | 1.32 sq mi |
| Latitude : | 42.4182590 |
| Longitude : | -92.3398207 |
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| Population (2010): | 30,324 |
| Population Estimate (2012) : | 29,410 |
| Population Density : | 371.68/sq mi |
| Housing Units (2012) : | 13,837 |
| Median Household Income (2012) : | $47,766 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $61,206 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $129,700 (Iowa : $123,000, USA : $181,400) |