| Index | Goodwin | South Dakota | National |
| Income per capita | $40,108 | $27,516 | $29,829 |
| Median household income | $52,917 | $52,078 | $55,322 |
| Median income owner occupied | $53,636 | $66,299 | $70,586 |
| Median income renter occupied | $48,500 | $30,800 | $35,192 |
| Median earnings male | $54,688 | $35,140 | $36,919 |
| Median earnings female | $26,563 | $24,451 | $26,250 |
| Unemployment rate | 0.0% | 2.8% | 4.7% |
| Poverty level | 3.9% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 38.7% | 38.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 19.4% | 19.4% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 41.9% | 41.9% |
| City | Population | Household Income | National Avg. |
| Castlewood, SD | 582 | $60,893 | 10.1% |
| Clear Lake, SD | 1,503 | $60,000 | 8.5% |
| La Bolt, SD | 99 | $59,167 | 7.0% |
| Brandt, SD | 95 | $55,833 | 0.9% |
| Watertown, SD | 22,249 | $52,145 | 5.7% |
| Goodwin, SD | 102 | $52,917 | 4.3% |
| City | Population | Household Income | National Avg. |
| St. George, AK | 102 | $64,583 | 16.7% |
| Kingvale, CA | 102 | $0 | 100.0% |
| Mount Laguna, CA | 102 | $0 | 100.0% |
| Phillipsville, CA | 102 | $2,499 | 95.5% |
| Hull, GA | 102 | $0 | 100.0% |
| Goodwin, SD | 102 | $52,917 | 4.3% |