![](\"http://www.usa.com/img/s10.gif\")
, rank #1| Population | 730 (2010-2014), rank #572 |
| Population Growth | -0.27% since 2000, rank #372 |
| Population Density: | 11.80/sq mi, rank #744 |
| Median Household Income: | $53,500 at 2010-2014—34.30% increase since 2000, see rank |
| Median House Price: | $95,800 at 2010-2014—97.93% increase since 2000, see rank |
| Time Zone: | Central GMT -6:00 with Daylight Saving in the Summer |
| Land Area: | 61.82 sq mi, rank #358 |
| Water Area: | 0.02 sq mi (0.03%), rank #609 |
| State: | Iowa |
| Area: | Mason City, IA |
| County: | Worth County |
| School District: | , rank #1 |