![](\"http://www.usa.com/img/s10.gif\")
, rank #1| Population | 20,037 (2010-2014), rank #30 |
| Population Growth | 7.16% since 2005-2009, see rank |
| Population Density: | 124.04/sq mi, rank #39 |
| Median Household Income: | $60,487 at 2010-2014—4.35% increase since 2005-2009, rank #82 |
| Median House Price: | $168,100 at 2010-2014—6.53% increase since 2005-2009, rank #39 |
| Time Zone: | Central GMT -6:00 with Daylight Saving in the Summer |
| Land Area: | 160.49 sq mi, rank #153 |
| Water Area: | 1.05 sq mi (0.65%), rank #102 |
| State: | Iowa |
| School District: | , rank #1 |