| Index | Keystone | South Dakota | National |
| Income per capita | $35,671 | $41,166 | $44,883 |
| Median household income | $76,571 | $77,914 | $81,333 |
| Median income owner occupied | $104,710 | $100,475 | $106,172 |
| Median income renter occupied | $44,134 | $45,187 | $52,080 |
| Median earnings male | $18,867 | $52,540 | $54,343 |
| Median earnings female | $26,816 | $36,073 | $38,439 |
| Unemployment rate | 10.1% | 2.9% | 4.9% |
| Poverty level | 17.5% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 5.2% | 5.2% |
| Manufacturing sector | 1.3% | 1.3% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 9.1% | 9.1% |
| Public administration | 5.8% | 5.8% |
| Transportation, warehousing & utilities | 12.3% | 12.3% |
| Education, health & social services | 9.7% | 9.7% |
| Other | 56.5% | 56.5% |
| City | Population | Household Income | National Avg. |
| Colonial Pine Hills, SD | 2,828 | $124,588 | 53.2% |
| Hermosa, SD | 424 | $101,994 | 25.4% |
| Hill City, SD | 601 | $99,294 | 22.1% |
| Custer, SD | 2,402 | $86,849 | 6.8% |
| Rapid City, SD | 79,549 | $79,741 | 2.0% |
| Keystone, SD | 561 | $76,571 | 5.9% |
| City | Population | Household Income | National Avg. |
| Avon, AL | 561 | $71,962 | 11.5% |
| Rockvale, CO | 561 | $80,156 | 1.4% |
| Zearing, IA | 561 | $82,465 | 1.4% |
| Ava, IL | 561 | $71,561 | 12.0% |
| Lake Petersburg, IL | 561 | $145,146 | 78.5% |
| Keystone, SD | 561 | $76,571 | 5.9% |