| Index | Roundup | Montana | National |
| Income per capita | $40,471 | $39,875 | $44,883 |
| Median household income | $52,143 | $71,326 | $81,333 |
| Median income owner occupied | $56,892 | $88,680 | $106,172 |
| Median income renter occupied | $49,122 | $45,249 | $52,080 |
| Median earnings male | $41,383 | $47,130 | $54,343 |
| Median earnings female | $27,633 | $32,153 | $38,439 |
| Unemployment rate | 2.0% | 3.8% | 4.9% |
| Poverty level | 15.1% | 14.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 10.6% | 10.6% |
| Manufacturing sector | 1.5% | 1.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 24.6% | 24.6% |
| Public administration | 2.9% | 2.9% |
| Transportation, warehousing & utilities | 14.1% | 14.1% |
| Education, health & social services | 9.4% | 9.4% |
| Other | 35.5% | 35.5% |
| City | Population | Household Income | National Avg. |
| Camp Three, MT | 154 | $72,046 | 11.4% |
| Klein, MT | 163 | $0 | 100.0% |
| Roundup, MT | 1,770 | $52,143 | 35.9% |
| City | Population | Household Income | National Avg. |
| Garrison, ND | 1,770 | $80,593 | 0.9% |
| MacArthur, WV | 1,770 | $37,098 | 54.4% |
| Quincy, CA | 1,769 | $81,403 | 0.1% |
| Girard, IL | 1,769 | $65,474 | 19.5% |
| Oberlin, KS | 1,771 | $53,469 | 34.3% |
| Roundup, MT | 1,770 | $52,143 | 35.9% |