| Zip Code : | 50703 |
| City : | Elk Run Heights city, Evansdale city, Waterloo city |
| County : | Black Hawk County |
| State : | Iowa (IA) |
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| Land Area : | 93.69 sq mi |
| Water Area : | 0.80 sq mi |
| Latitude : | 42.5480594 |
| Longitude : | -92.2864306 |
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| Population (2010): | 19,863 |
| Population Estimate (2012) : | 20,153 |
| Population Density : | 212.01/sq mi |
| Housing Units (2012) : | 8,605 |
| Median Household Income (2012) : | $31,699 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $41,809 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $77,800 (Iowa : $123,000, USA : $181,400) |