Gregory County, South Dakota Facts
| Facts | |
| State | South Dakota |
| Land area | 1,015.0 square miles |
| Population Density | 4.2 persons per square mile. |
| Population | |
| Population (2013) | 4,242 |
| Population change | -0.7% | Under 5 years of age | 5.8% |
| Under 18 | 22.6% |
| 65 and over | 24.1% |
| Females | 49.3% |
| White | 89.3 |
| Hispanic or Latino of any race | 1.4 |
| Asian | 0.4% |
| Two or more races | 2.2% |
| Black or African American | 0.4% |
| Native American | 7.5% |
| Pacific Islander | 0.2% |
| Had graduated from high school | 87% |
| Had a bachelor’s degree or higher | 17% |
| Veterans | 427 |
| Households and Housing | |
| Households | 1,986 |
| Persons per household | 2.1 |
| Living in the same house for one year or more | 86.8% |
| Median household income | $36,719 |
| The per capita income | $23,041 |
| Live below the poverty line. | 19.2% |
| housing units | 2,496 |
| Multi-unit structures | 10% |
| The median value of owner-occupied housing | $58,400 |
| Residents owning their homes. | 71.2% |
| Business Facts | |
| Total number of firms | 690 |
| 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 | $52,969 |
| Retail sales per capita | $13,072 |
| Manufacturers shipments | $0 |
| Merchant wholesaler sales | $27,257 |