| City : | Mason City |
| County : | Mason County |
| State : | Illinois (IL) |
| Land Area : | 1.01 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.2021921 |
| Longitude : | -89.6970942 |
| Population (2010): | 2,343 |
| Population Estimate (2012) : | 2,313 |
| Population Density : | 2,311.78/sq mi |
| Housing Units (2012) : | 1,108 |
| Median Household Income (2012) : | $34,923 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $50,893 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $73,300 (Illinois : $190,800, USA : $181,400) |
Mason City Zip Codes
| 62664 (3,042) |