Polk County, Tennessee Facts
| Facts | |
| State | Tennessee |
| Land area | 434.7 square miles |
| Population Density | 38.7 persons per square mile. |
| Population | |
| Population (2013) | 16,690 |
| Population change | -0.8% | Under 5 years of age | 4.8% |
| Under 18 | 21.3% |
| 65 and over | 18.6% |
| Females | 50.5% |
| White | 97.2 |
| Hispanic or Latino of any race | 1.7 |
| Asian | 0.3% |
| Two or more races | 1.4% |
| Black or African American | 0.6% |
| Native American | 0.5% |
| Pacific Islander | 0.1% |
| Had graduated from high school | 77% |
| Had a bachelor’s degree or higher | 11.1% |
| Veterans | 1,165 |
| Households and Housing | |
| Households | 6,740 |
| Persons per household | 2.4 |
| Living in the same house for one year or more | 89.6% |
| Median household income | $39,074 |
| The per capita income | $20,274 |
| Live below the poverty line. | 17.3% |
| housing units | 8,206 |
| Multi-unit structures | 3% |
| The median value of owner-occupied housing | $109,300 |
| Residents owning their homes. | 79.4% |
| Business Facts | |
| Total number of firms | 1,579 |
| Women-owned firms | 25.5% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 0% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $67,693 |
| Retail sales per capita | $4,305 |
| Manufacturers shipments | $0 |
| Merchant wholesaler sales | $0 |