Polk County, Missouri Facts
| Facts | |
| State | Missouri |
| Land area | 635.5 square miles |
| Population Density | 49 persons per square mile. |
| Population | |
| Population (2013) | 30,974 |
| Population change | -0.5% | Under 5 years of age | 6.1% |
| Under 18 | 24% |
| 65 and over | 16.7% |
| Females | 51.1% |
| White | 96 |
| Hispanic or Latino of any race | 2.1 |
| Asian | 0.8% |
| Two or more races | 1.5% |
| Black or African American | 0.9% |
| Native American | 0.7% |
| Pacific Islander | 0.1% |
| Had graduated from high school | 84% |
| Had a bachelor’s degree or higher | 18.3% |
| Veterans | 2,450 |
| Households and Housing | |
| Households | 11,937 |
| Persons per household | 2.5 |
| Living in the same house for one year or more | 84% |
| Median household income | $39,512 |
| The per capita income | $19,511 |
| Live below the poverty line. | 23.6% |
| housing units | 13,247 |
| Multi-unit structures | 7% |
| The median value of owner-occupied housing | $109,800 |
| Residents owning their homes. | 68.2% |
| Business Facts | |
| Total number of firms | 2,961 |
| Women-owned firms | 25.9% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 0% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $275,957 |
| Retail sales per capita | $9,140 |
| Manufacturers shipments | $0 |
| Merchant wholesaler sales | $43,310 |