Custer County, Montana Facts
| Facts | |
| State | Montana |
| Land area | 3,783.4 square miles |
| Population Density | 3.1 persons per square mile. |
| Population | |
| Population (2013) | 11,951 |
| Population change | 2.2% | Under 5 years of age | 6.3% |
| Under 18 | 21.9% |
| 65 and over | 18.3% |
| Females | 50.1% |
| White | 95.2 |
| Hispanic or Latino of any race | 2.7 |
| Asian | 0.4% |
| Two or more races | 1.7% |
| Black or African American | 0.5% |
| Native American | 2% |
| Pacific Islander | 0.1% |
| Had graduated from high school | 91% |
| Had a bachelor’s degree or higher | 19.7% |
| Veterans | 1,178 |
| Households and Housing | |
| Households | 4,986 |
| Persons per household | 2.3 |
| Living in the same house for one year or more | 80.7% |
| Median household income | $43,524 |
| The per capita income | $23,910 |
| Live below the poverty line. | 13.3% |
| housing units | 5,570 |
| Multi-unit structures | 13% |
| The median value of owner-occupied housing | $112,100 |
| Residents owning their homes. | 68.9% |
| Business Facts | |
| Total number of firms | 1,005 |
| Women-owned firms | 21.9% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 0% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $199,923 |
| Retail sales per capita | $17,987 |
| Manufacturers shipments | $0 |
| Merchant wholesaler sales | $75,061 |