| Index | Arlington | South Dakota | National |
| Income per capita | $39,070 | $41,166 | $44,883 |
| Median household income | $82,574 | $77,914 | $81,333 |
| Median income owner occupied | $113,297 | $100,475 | $106,172 |
| Median income renter occupied | $34,252 | $45,187 | $52,080 |
| Median earnings male | $66,159 | $52,540 | $54,343 |
| Median earnings female | $45,510 | $36,073 | $38,439 |
| Unemployment rate | 2.4% | 2.9% | 4.9% |
| Poverty level | 15.4% | 14.0% | 15.1% |

| 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 | 496 | $124,159 | 52.7% |
| Lake Norden, SD | 548 | $95,433 | 17.3% |
| Estelline, SD | 888 | $88,119 | 8.3% |
| Volga, SD | 1,990 | $82,223 | 1.1% |
| Bruce, SD | 264 | $81,173 | 0.2% |
| Arlington, SD | 1,035 | $82,574 | 1.5% |
| City | Population | Household Income | National Avg. |
| Adams Center, NY | 1,035 | $92,669 | 13.9% |
| Low, QC | 1,035 | n/a | |
| New Union, AL | 1,034 | $80,896 | 0.5% |
| Midway, AR | 1,036 | $73,396 | 9.8% |
| Mountain Mesa, CA | 1,036 | $59,567 | 26.8% |
| Arlington, SD | 1,035 | $82,574 | 1.5% |