| Index | Oak | Nebraska | National |
| Income per capita | $56,810 | $42,745 | $44,883 |
| Median household income | $50,818 | $81,154 | $81,333 |
| Median income owner occupied | $51,006 | $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 | 0.0% | 12.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 25.0% | 25.0% |
| 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 | 75.0% | 75.0% |
| City | Population | Household Income | National Avg. |
| Ruskin, NE | 148 | $100,429 | 23.5% |
| Carleton, NE | 205 | $99,323 | 22.1% |
| Nelson, NE | 442 | $79,549 | 2.2% |
| Ong, NE | 62 | $78,648 | 3.3% |
| Shickley, NE | 288 | $75,721 | 6.9% |
| Oak, NE | 13 | $50,818 | 37.5% |
| City | Population | Household Income | National Avg. |
| Chicken, AK | 13 | $0 | 100.0% |
| Hyder, AK | 13 | $0 | 100.0% |
| Lime Village, AK | 13 | $0 | 100.0% |
| Drytown, CA | 13 | $0 | 100.0% |
| Beaconsfield, IA | 13 | $0 | 100.0% |
| Oak, NE | 13 | $50,818 | 37.5% |