| Index | Gardiner | Montana | National |
| Income per capita | $59,169 | $39,875 | $44,883 |
| Median household income | $81,399 | $71,326 | $81,333 |
| Median income owner occupied | $107,492 | $88,680 | $106,172 |
| Median income renter occupied | $70,062 | $45,249 | $52,080 |
| Median earnings male | $69,845 | $47,130 | $54,343 |
| Median earnings female | $49,270 | $32,153 | $38,439 |
| Unemployment rate | 0.4% | 3.8% | 4.9% |
| Poverty level | 4.6% | 14.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.6% | 13.6% |
| Manufacturing sector | 2.7% | 2.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 12.5% | 12.5% |
| Public administration | 13.2% | 13.2% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 5.9% | 5.9% |
| Other | 52.2% | 52.2% |
| City | Population | Household Income | National Avg. |
| Corwin Springs, MT | 112 | $51,046 | 37.2% |
| Jardine, MT | 42 | $45,650 | 43.9% |
| Mammoth, WY | 85 | $0 | 100.0% |
| Gardiner, MT | 915 | $81,399 | 0.1% |
| City | Population | Household Income | National Avg. |
| Papaikou, HI | 915 | $84,674 | 4.1% |
| Rockaway Beach, MO | 915 | $67,129 | 17.5% |
| New Waterford, OH | 915 | $66,859 | 17.8% |
| Lemont Furnace, PA | 915 | $73,435 | 9.7% |
| Argyle, WI | 915 | $73,300 | 9.9% |
| Gardiner, MT | 915 | $81,399 | 0.1% |