| Index | Lake Preston | South Dakota | National |
| Income per capita | $22,630 | $26,311 | $28,555 |
| Median household income | $41,667 | $50,338 | $53,482 |
| Median income owner occupied | $60,139 | $63,903 | $68,142 |
| Median income renter occupied | $25,125 | $29,541 | $33,219 |
| Median earnings male | $36,193 | $33,136 | $36,116 |
| Median earnings female | $22,308 | $23,365 | $25,692 |
| Unemployment rate | 1.3% | 3.3% | 5.8% |
| Poverty level | 8.4% | 14.2% | 15.6% |
| Labour Type | Male | Female |
| Construction industry | 9.1% | 0.0% |
| Manufacturing sector | 29.5% | 5.4% |
| Financial & insurance services | 9.1% | 7.6% |
| Wholesale & retail services | 9.1% | 3.8% |
| Public administration | 3.4% | 1.6% |
| Transportation, warehousing & utilities | 13.1% | 4.9% |
| Education, health & social services | 3.4% | 53.5% |
| Other | 23.3% | 16.2% |
| City, State | Population | Household Income | National Avg. |
| Lake Poinsett, SD | 448 | $75,000 | 40% |
| Badger, SD | 70 | $58,750 | 10% |
| De Smet, SD | 1,223 | $48,563 | 9% |
| Arlington, SD | 1,010 | $46,140 | 14% |
| Oldham, SD | 135 | $40,000 | 25% |
| Lake Preston, SD | 662 | $41,667 | 22% |
| City, State | Population | Household Income | National Avg. |
| Riceville, TN | 662 | $39,107 | 27% |
| St. Charles, IA | 662 | $65,250 | 22% |
| Sharon, CT | 662 | $58,250 | 9% |
| Cobb Island, MD | 662 | $62,273 | 16% |
| Beaver City, NE | 662 | $37,266 | 30% |
| Lake Preston, SD | 662 | $41,667 | 22% |