| Index | Arlington | South Dakota | National |
| Income per capita | $26,671 | $27,516 | $29,829 |
| Median household income | $55,125 | $52,078 | $55,322 |
| Median income owner occupied | $76,905 | $66,299 | $70,586 |
| Median income renter occupied | $22,969 | $30,800 | $35,192 |
| Median earnings male | $44,792 | $35,140 | $36,919 |
| Median earnings female | $30,547 | $24,451 | $26,250 |
| Unemployment rate | 2.3% | 2.8% | 4.7% |
| Poverty level | 15.4% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 19.8% | 19.8% |
| Manufacturing sector | 16.8% | 16.8% |
| Financial & insurance services | 3.7% | 3.7% |
| Wholesale & retail services | 9.7% | 9.7% |
| Public administration | 2.0% | 2.0% |
| Transportation, warehousing & utilities | 3.7% | 3.7% |
| Education, health & social services | 12.1% | 12.1% |
| Other | 30.9% | 30.9% |
| City | Population | Household Income | National Avg. |
| Lake Poinsett, SD | 480 | $84,583 | 52.9% |
| Lake Norden, SD | 531 | $62,955 | 13.8% |
| Estelline, SD | 858 | $58,182 | 5.2% |
| Bruce, SD | 259 | $54,688 | 1.1% |
| Volga, SD | 1,948 | $54,528 | 1.4% |
| Arlington, SD | 1,007 | $55,125 | 0.4% |
| City | Population | Household Income | National Avg. |
| Franklin, GA | 1,007 | $16,722 | 69.8% |
| Naalehu, HI | 1,007 | $58,807 | 6.3% |
| Sidney, IA | 1,007 | $52,857 | 4.5% |
| Waynetown, IN | 1,007 | $53,500 | 3.3% |
| Hilltop, MN | 1,007 | $37,177 | 32.8% |
| Arlington, SD | 1,007 | $55,125 | 0.4% |