| Index | Grenville | South Dakota | National |
| Income per capita | $39,976 | $41,166 | $44,883 |
| Median household income | $0 | $77,914 | $81,333 |
| Median income owner occupied | $0 | $100,475 | $106,172 |
| Median income renter occupied | $0 | $45,187 | $52,080 |
| Median earnings male | $0 | $52,540 | $54,343 |
| Median earnings female | $0 | $36,073 | $38,439 |
| Unemployment rate | 4.4% | 2.9% | 4.9% |
| Poverty level | 28.2% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 25.9% | 25.9% |
| Manufacturing sector | 3.7% | 3.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 14.8% | 14.8% |
| Public administration | 11.1% | 11.1% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 44.4% | 44.4% |
| City | Population | Household Income | National Avg. |
| Eden, SD | 145 | $369,676 | 354.5% |
| Roslyn, SD | 229 | $90,441 | 11.2% |
| Webster, SD | 1,728 | $59,496 | 26.8% |
| Waubay, SD | 550 | $50,574 | 37.8% |
| Ortley, SD | 60 | $50,345 | 38.1% |
| Grenville, SD | 72 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Chitina, AK | 72 | $0 | 100.0% |
| Twin Hills, AK | 72 | $29,597 | 63.6% |
| Eunola, AL | 72 | $20,016 | 75.4% |
| Wikieup, AZ | 72 | $123,834 | 52.3% |
| Sheridan Lake, CO | 72 | $82,190 | 1.1% |
| Grenville, SD | 72 | $0 | 100.0% |