| County : | Dyer County |
| State : | Tennessee (TN) |
| Land Area : | 512.32 sq mi |
| Water Area : | 14.20 sq mi |
| Latitude : | 36.0541962 |
| Longitude : | -89.3983056 |
| Population (2010): | 38,335 |
| Population Estimate (2012) : | 38,234 |
| Population Density : | 74.83/sq mi |
| Housing Units (2012) : | 16,703 |
| Median Household Income (2012) : | $38,167 (Tennessee : $44,140, USA : $53,046) |
| Median Family Income (2012) : | $46,981 (Tennessee : $54,737, USA : $64,585) |
| Median House Price (2012) : | $96,500 (Tennessee : $138,700, USA : $181,400) |
Dyer County Cities / Towns
| Dyersburg City (17,145) | Newbern Town (3,313) | Trimble Town (637) |
Dyer County Zip Codes
| 38007 (91) | 38024 (27,406) | 38030 (977) |
| 38034 (2,998) | 38040 (5,193) | 38047 (91) |
| 38059 (7,663) | 38070 (175) | 38080 (2,568) |
| 38240 (2,259) | 38259 (860) |