| Index | Custer | South Dakota | National |
| Income per capita | $45,612 | $41,166 | $44,883 |
| Median household income | $86,849 | $77,914 | $81,333 |
| Median income owner occupied | $106,517 | $100,475 | $106,172 |
| Median income renter occupied | $33,622 | $45,187 | $52,080 |
| Median earnings male | $56,408 | $52,540 | $54,343 |
| Median earnings female | $38,976 | $36,073 | $38,439 |
| Unemployment rate | 7.7% | 2.9% | 4.9% |
| Poverty level | 19.0% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 10.7% | 10.7% |
| Manufacturing sector | 8.7% | 8.7% |
| Financial & insurance services | 7.8% | 7.8% |
| Wholesale & retail services | 7.2% | 7.2% |
| Public administration | 5.8% | 5.8% |
| Transportation, warehousing & utilities | 12.2% | 12.2% |
| Education, health & social services | 16.9% | 16.9% |
| Other | 29.5% | 29.5% |
| City | Population | Household Income | National Avg. |
| Hill City, SD | 601 | $99,294 | 22.1% |
| Keystone, SD | 561 | $76,571 | 5.9% |
| Pringle, SD | 232 | $68,162 | 16.2% |
| Custer, SD | 2,402 | $86,849 | 6.8% |
| City | Population | Household Income | National Avg. |
| Virginia Gardens, FL | 2,402 | $78,137 | 3.9% |
| Brewster, WA | 2,402 | $64,713 | 20.4% |
| Boissevain-Morton, MB | 2,402 | n/a | |
| Collierville, CA | 2,401 | $105,062 | 29.2% |
| Salmon Brook, CT | 2,401 | $104,679 | 28.7% |
| Custer, SD | 2,402 | $86,849 | 6.8% |