McClain County, Oklahoma Facts
| Facts | |
| State | Oklahoma |
| Land area | 570.7 square miles |
| Population Density | 60.5 persons per square mile. |
| Population | |
| Population (2013) | 36,511 |
| Population change | 5.8% | Under 5 years of age | 6.4% |
| Under 18 | 26.2% |
| 65 and over | 14.3% |
| Females | 50.3% |
| White | 86.5 |
| Hispanic or Latino of any race | 7.5 |
| Asian | 0.5% |
| Two or more races | 5.3% |
| Black or African American | 0.9% |
| Native American | 6.7% |
| Pacific Islander | 0.1% |
| Had graduated from high school | 87% |
| Had a bachelor’s degree or higher | 20.4% |
| Veterans | 2,945 |
| Households and Housing | |
| Households | 12,749 |
| Persons per household | 2.7 |
| Living in the same house for one year or more | 87.6% |
| Median household income | $54,426 |
| The per capita income | $25,293 |
| Live below the poverty line. | 11.6% |
| housing units | 14,398 |
| Multi-unit structures | 4% |
| The median value of owner-occupied housing | $139,300 |
| Residents owning their homes. | 81.8% |
| Business Facts | |
| Total number of firms | 3,554 |
| Women-owned firms | 22.6% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 4.5% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $412,967 |
| Retail sales per capita | $12,949 |
| Manufacturers shipments | $0 |
| Merchant wholesaler sales | $0 |