Decatur County, Tennessee Facts
| Facts | |
| State | Tennessee |
| Land area | 333.9 square miles |
| Population Density | 35.2 persons per square mile. |
| Population | |
| Population (2013) | 11,661 |
| Population change | -0.8% | Under 5 years of age | 4.7% |
| Under 18 | 20.3% |
| 65 and over | 22.4% |
| Females | 50.8% |
| White | 94.8 |
| Hispanic or Latino of any race | 3 |
| Asian | 0.6% |
| Two or more races | 1.2% |
| Black or African American | 3.1% |
| Native American | 0.3% |
| Pacific Islander | 0.1% |
| Had graduated from high school | 79% |
| Had a bachelor’s degree or higher | 14.2% |
| Veterans | 1,001 |
| Households and Housing | |
| Households | 5,066 |
| Persons per household | 2.3 |
| Living in the same house for one year or more | 87.4% |
| Median household income | $36,258 |
| The per capita income | $25,368 |
| Live below the poverty line. | 22.6% |
| housing units | 6,804 |
| Multi-unit structures | 4% |
| The median value of owner-occupied housing | $83,100 |
| Residents owning their homes. | 77.2% |
| Business Facts | |
| Total number of firms | 980 |
| Women-owned firms | 0% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 0% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $98,877 |
| Retail sales per capita | $8,594 |
| Manufacturers shipments | $0 |
| Merchant wholesaler sales | $0 |