| Index | Klein | Montana | National |
| Income per capita | $30,616 | $39,875 | $44,883 |
| Median household income | $0 | $71,326 | $81,333 |
| Median income owner occupied | $0 | $88,680 | $106,172 |
| Median income renter occupied | $0 | $45,249 | $52,080 |
| Median earnings male | $0 | $47,130 | $54,343 |
| Median earnings female | $0 | $32,153 | $38,439 |
| Unemployment rate | 0.0% | 3.8% | 4.9% |
| Poverty level | 0.0% | 14.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 100.0% | 100.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 0.0% | 0.0% |
| City | Population | Household Income | National Avg. |
| Camp Three, MT | 154 | $72,046 | 11.4% |
| Roundup, MT | 1,770 | $52,143 | 35.9% |
| Klein, MT | 163 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Deepstep, GA | 163 | $163,178 | 100.6% |
| Bentley, IA | 163 | $286,466 | 252.2% |
| Calumet, IA | 163 | $62,304 | 23.4% |
| Shambaugh, IA | 163 | $69,256 | 14.8% |
| De Smet, ID | 163 | $59,746 | 26.5% |
| Klein, MT | 163 | $0 | 100.0% |