Marshall County, Kentucky Facts
| Facts | |
| State | Kentucky |
| Land area | 301.3 square miles |
| Population Density | 104.4 persons per square mile. |
| Population | |
| Population (2013) | 31,107 |
| Population change | -1.1% | Under 5 years of age | 5.1% |
| Under 18 | 20.2% |
| 65 and over | 20.6% |
| Females | 50.9% |
| White | 98.3 |
| Hispanic or Latino of any race | 1.3 |
| Asian | 0.3% |
| Two or more races | 0.8% |
| Black or African American | 0.4% |
| Native American | 0.2% |
| Pacific Islander | 0% |
| Had graduated from high school | 85% |
| Had a bachelor’s degree or higher | 15.3% |
| Veterans | 2,837 |
| Households and Housing | |
| Households | 11,963 |
| Persons per household | 2.6 |
| Living in the same house for one year or more | 91.3% |
| Median household income | $43,907 |
| The per capita income | $22,381 |
| Live below the poverty line. | 11.6% |
| housing units | 15,808 |
| Multi-unit structures | 7% |
| The median value of owner-occupied housing | $101,800 |
| Residents owning their homes. | 82.3% |
| Business Facts | |
| Total number of firms | 2,723 |
| 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 | $345,665 |
| Retail sales per capita | $11,065 |
| Manufacturers shipments | $3,095,293 |
| Merchant wholesaler sales | $97,237 |