Marshall County, Oklahoma Facts
| Facts | |
| State | Oklahoma |
| Land area | 371.1 square miles |
| Population Density | 42.7 persons per square mile. |
| Population | |
| Population (2013) | 15,988 |
| Population change | 1% | Under 5 years of age | 6.2% |
| Under 18 | 23.5% |
| 65 and over | 20.6% |
| Females | 50.3% |
| White | 81.4 |
| Hispanic or Latino of any race | 15.7 |
| Asian | 0.3% |
| Two or more races | 5.9% |
| Black or African American | 1.9% |
| Native American | 10.6% |
| Pacific Islander | 0.1% |
| Had graduated from high school | 79% |
| Had a bachelor’s degree or higher | 14.4% |
| Veterans | 1,475 |
| Households and Housing | |
| Households | 5,970 |
| Persons per household | 2.6 |
| Living in the same house for one year or more | 85.8% |
| Median household income | $37,319 |
| The per capita income | $19,583 |
| Live below the poverty line. | 17.3% |
| housing units | 9,949 |
| Multi-unit structures | 4% |
| The median value of owner-occupied housing | $83,700 |
| Residents owning their homes. | 79.3% |
| Business Facts | |
| Total number of firms | 1,273 |
| Women-owned firms | 13.2% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 0% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $126,842 |
| Retail sales per capita | $8,529 |
| Manufacturers shipments | $207,746 |
| Merchant wholesaler sales | $0 |