| Index | Sun Prairie | Montana | National |
| Income per capita | $22,546 | $27,309 | $29,829 |
| Median household income | $45,597 | $48,380 | $55,322 |
| Median income owner occupied | $46,051 | $60,564 | $70,586 |
| Median income renter occupied | $0 | $30,651 | $35,192 |
| Median earnings male | $35,938 | $31,798 | $36,919 |
| Median earnings female | $22,546 | $21,711 | $26,250 |
| Unemployment rate | 0.7% | 3.6% | 4.7% |
| Poverty level | 11.5% | 14.9% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 21.1% | 21.1% |
| Manufacturing sector | 5.2% | 5.2% |
| Financial & insurance services | 2.7% | 2.7% |
| Wholesale & retail services | 24.8% | 24.8% |
| Public administration | 1.7% | 1.7% |
| Transportation, warehousing & utilities | 4.4% | 4.4% |
| Education, health & social services | 12.0% | 12.0% |
| Other | 26.3% | 26.3% |
| City | Population | Household Income | National Avg. |
| Ulm, MT | 750 | $80,625 | 45.7% |
| Gibson Flats, MT | 205 | $68,446 | 23.7% |
| Sand Coulee, MT | 201 | $57,500 | 3.9% |
| Black Eagle, MT | 836 | $54,750 | 1.0% |
| Malmstrom AFB, MT | 3,902 | $51,967 | 6.1% |
| Sun Prairie, MT | 1,617 | $45,597 | 17.6% |
| City | Population | Household Income | National Avg. |
| Kremmling, CO | 1,618 | $55,625 | 0.5% |
| Port Gibson, MS | 1,616 | $26,382 | 52.3% |
| Cherokee, OK | 1,618 | $48,375 | 12.6% |
| Cleora, OK | 1,616 | $62,647 | 13.2% |
| Langhorne, PA | 1,616 | $87,083 | 57.4% |
| Sun Prairie, MT | 1,617 | $45,597 | 17.6% |
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