| Index | Foster | Nebraska | National |
| Income per capita | $38,816 | $42,745 | $44,883 |
| Median household income | $101,819 | $81,154 | $81,333 |
| Median income owner occupied | $117,883 | $102,351 | $106,172 |
| Median income renter occupied | $0 | $47,625 | $52,080 |
| Median earnings male | $54,678 | $53,280 | $54,343 |
| Median earnings female | $0 | $37,214 | $38,439 |
| Unemployment rate | 0.0% | 3.1% | 4.9% |
| Poverty level | 2.2% | 12.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 41.2% | 41.2% |
| Manufacturing sector | 5.9% | 5.9% |
| Financial & insurance services | 11.8% | 11.8% |
| 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 | 41.2% | 41.2% |
| City | Population | Household Income | National Avg. |
| McLean, NE | 84 | $102,498 | 26.0% |
| Hadar, NE | 295 | $97,437 | 19.8% |
| Osmond, NE | 819 | $80,733 | 0.7% |
| Pierce, NE | 2,019 | $76,532 | 5.9% |
| Creighton, NE | 1,298 | $71,585 | 12.0% |
| Foster, NE | 47 | $101,819 | 25.2% |
| City | Population | Household Income | National Avg. |
| Libertyville, AL | 47 | $91,662 | 12.7% |
| Hensley, AR | 47 | $0 | 100.0% |
| Soda Springs, CA | 47 | $0 | 100.0% |
| Anderson, IA | 47 | $0 | 100.0% |
| Swan, IA | 47 | $0 | 100.0% |
| Foster, NE | 47 | $101,819 | 25.2% |