| County : | Dekalb County |
| State : | Missouri (MO) |
| Land Area : | 421.35 sq mi |
| Water Area : | 4.46 sq mi |
| Latitude : | 39.8946645 |
| Longitude : | -94.4071901 |
| Population (2010): | 12,892 |
| Population Estimate (2012) : | 12,878 |
| Population Density : | 30.60/sq mi |
| Housing Units (2012) : | 4,329 |
| Median Household Income (2012) : | $43,898 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $55,060 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $111,300 (Missouri : $138,400, USA : $181,400) |
Dekalb County Cities / Towns
| Amity Town (54) | Cameron City (9,933) | Clarksdale City (271) |
| Maysville City (1,114) | Osborn City (423) | Stewartsville City (750) |
| Union Star Town (437) | Weatherby Town (107) |
Dekalb County Zip Codes
| 64422 (337) | 64429 (13,158) | 64430 (764) |
| 64463 (1,643) | 64469 (2,339) | 64474 (820) |
| 64490 (2,056) | 64494 (1,018) | 64497 (598) |
| 64670 (1,090) |