| County : | Mason County |
| State : | Illinois (IL) |
| Land Area : | 539.23 sq mi |
| Water Area : | 24.23 sq mi |
| Latitude : | 40.2369926 |
| Longitude : | -89.9135746 |
| Population (2010): | 14,666 |
| Population Estimate (2012) : | 14,636 |
| Population Density : | 27.20/sq mi |
| Housing Units (2012) : | 7,077 |
| Median Household Income (2012) : | $42,394 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $56,947 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $81,600 (Illinois : $190,800, USA : $181,400) |
Mason County Cities / Towns
| Bath Village (333) | Easton Village (321) | Forest City Village (246) |
| Goofy Ridge (350) | Havana City (3,301) | Kilbourne Village (302) |
| Manito Village (1,642) | Mason City (2,343) | San Jose Village (642) |
| Topeka Village (76) |
Mason County Zip Codes
| 61532 (534) | 61546 (4,276) | 61567 (624) |
| 62617 (762) | 62627 (992) | 62633 (647) |
| 62644 (5,385) | 62655 (568) | 62664 (3,042) |
| 62671 (572) | 62682 (907) |