| County : | Dekalb County |
| State : | Indiana (IN) |
| Land Area : | 362.82 sq mi |
| Water Area : | 1.03 sq mi |
| Latitude : | 41.4011894 |
| Longitude : | -85.0001854 |
| Population (2010): | 42,223 |
| Population Estimate (2012) : | 42,218 |
| Population Density : | 116.37/sq mi |
| Housing Units (2012) : | 17,558 |
| Median Household Income (2012) : | $46,065 (Indiana : $48,374, USA : $53,046) |
| Median Family Income (2012) : | $53,643 (Indiana : $60,012, USA : $64,585) |
| Median House Price (2012) : | $109,200 (Indiana : $123,400, USA : $181,400) |
Dekalb County Cities / Towns
| Altona Town (197) | Ashley Town (983) | Auburn City (12,731) |
| Butler City (2,684) | Corunna Town (254) | Garrett City (6,286) |
| Hamilton Town (1,532) | St. Joe Town (460) | Waterloo Town (2,242) |
Dekalb County Zip Codes
| 46705 (1,583) | 46706 (18,630) | 46710 (4,679) |
| 46721 (5,058) | 46730 (1,381) | 46738 (7,918) |
| 46742 (3,488) | 46747 (2,693) | 46748 (5,134) |
| 46755 (15,062) | 46763 (1,631) | 46785 (1,542) |
| 46788 (3,260) | 46793 (4,292) |