| Index | Seneca | Nebraska | National |
| Income per capita | $17,282 | $42,745 | $44,883 |
| Median household income | $0 | $81,154 | $81,333 |
| Median income owner occupied | $0 | $102,351 | $106,172 |
| Median income renter occupied | $0 | $47,625 | $52,080 |
| Median earnings male | $0 | $53,280 | $54,343 |
| Median earnings female | $0 | $37,214 | $38,439 |
| Unemployment rate | 0.0% | 3.1% | 4.9% |
| Poverty level | 68.4% | 12.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 50.0% | 50.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 50.0% | 50.0% |
| City | Population | Household Income | National Avg. |
| Thedford, NE | 242 | $86,328 | 6.1% |
| Mullen, NE | 476 | $60,633 | 25.5% |
| Seneca, NE | 20 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Attu Station, AK | 20 | $0 | 100.0% |
| Lake Minchumina, AK | 20 | $0 | 100.0% |
| Tonsina, AK | 20 | $0 | 100.0% |
| Megargel, AL | 20 | $0 | 100.0% |
| Salmon Creek, CA | 20 | $0 | 100.0% |
| Seneca, NE | 20 | $0 | 100.0% |