| Zip Code : | 50131 |
| City : | Grimes city, Johnston city, Urbandale city |
| County : | Polk County |
| State : | Iowa (IA) |
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| Land Area : | 21.81 sq mi |
| Water Area : | 3.16 sq mi |
| Latitude : | 41.6921198 |
| Longitude : | -93.7151564 |
| | |
| Population (2010): | 17,499 |
| Population Estimate (2012) : | 17,364 |
| Population Density : | 802.48/sq mi |
| Housing Units (2012) : | 6,729 |
| Median Household Income (2012) : | $94,216 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $110,549 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $237,500 (Iowa : $123,000, USA : $181,400) |