| County : | Clay County |
| State : | Indiana (IN) |
| Land Area : | 357.54 sq mi |
| Water Area : | 2.78 sq mi |
| Latitude : | 39.3939513 |
| Longitude : | -87.1158369 |
| Population (2010): | 26,890 |
| Population Estimate (2012) : | 26,908 |
| Population Density : | 75.21/sq mi |
| Housing Units (2012) : | 11,703 |
| Median Household Income (2012) : | $46,817 (Indiana : $48,374, USA : $53,046) |
| Median Family Income (2012) : | $56,641 (Indiana : $60,012, USA : $64,585) |
| Median House Price (2012) : | $87,800 (Indiana : $123,400, USA : $181,400) |
Clay County Cities / Towns
| Brazil City (7,912) | Carbon Town (397) | Center Point Town (242) |
| Clay City Town (861) | Coalmont (402) | Harmony Town (656) |
| Knightsville Town (872) | Staunton Town (534) |
Clay County Zip Codes
| 47427 (1,093) | 47438 (4,798) | 47802 (34,532) |
| 47833 (1,010) | 47834 (19,215) | 47837 (1,231) |
| 47840 (1,500) | 47841 (2,138) | 47846 (638) |
| 47853 (134) | 47857 (571) | 47858 (698) |
| 47868 (2,937) | 47874 (3,414) | 47881 (465) |