| Index | Custer | Montana | National |
| Income per capita | $51,060 | $39,875 | $44,883 |
| Median household income | $79,442 | $71,326 | $81,333 |
| Median income owner occupied | $100,754 | $88,680 | $106,172 |
| Median income renter occupied | $46,319 | $45,249 | $52,080 |
| Median earnings male | $109,062 | $47,130 | $54,343 |
| Median earnings female | $16,817 | $32,153 | $38,439 |
| Unemployment rate | 2.5% | 3.8% | 4.9% |
| Poverty level | 23.8% | 14.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 21.4% | 21.4% |
| 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 | 54.8% | 54.8% |
| Education, health & social services | 4.8% | 4.8% |
| Other | 19.0% | 19.0% |
| City | Population | Household Income | National Avg. |
| Custer, MT | 156 | $79,442 | 2.3% |
| City | Population | Household Income | National Avg. |
| North Johns, AL | 156 | $58,215 | 28.4% |
| Powhatan, AR | 156 | $0 | 100.0% |
| North San Juan, CA | 156 | $0 | 100.0% |
| Chester, IA | 156 | $50,986 | 37.3% |
| Garden City, IA | 156 | $0 | 100.0% |
| Custer, MT | 156 | $79,442 | 2.3% |