| Index | Polk | Nebraska | National |
| Income per capita | $37,482 | $42,745 | $44,883 |
| Median household income | $67,717 | $81,154 | $81,333 |
| Median income owner occupied | $78,358 | $102,351 | $106,172 |
| Median income renter occupied | $43,969 | $47,625 | $52,080 |
| Median earnings male | $46,815 | $53,280 | $54,343 |
| Median earnings female | $31,326 | $37,214 | $38,439 |
| Unemployment rate | 2.0% | 3.1% | 4.9% |
| Poverty level | 11.1% | 12.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.3% | 11.3% |
| Manufacturing sector | 23.7% | 23.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 26.8% | 26.8% |
| Public administration | 9.3% | 9.3% |
| Transportation, warehousing & utilities | 8.2% | 8.2% |
| Education, health & social services | 1.0% | 1.0% |
| Other | 19.6% | 19.6% |
| City | Population | Household Income | National Avg. |
| Overland, NE | 106 | $142,473 | 75.2% |
| Hordville, NE | 212 | $131,574 | 61.8% |
| Osceola, NE | 855 | $102,233 | 25.7% |
| Aurora, NE | 4,642 | $96,368 | 18.5% |
| Hampton, NE | 454 | $95,861 | 17.9% |
| Polk, NE | 327 | $67,717 | 16.7% |
| City | Population | Household Income | National Avg. |
| Cash, AR | 327 | $36,582 | 55.0% |
| Woodville, GA | 327 | $41,865 | 48.5% |
| Frederika, IA | 327 | $57,730 | 29.0% |
| Kiron, IA | 327 | $61,626 | 24.2% |
| Ute, IA | 327 | $56,755 | 30.2% |
| Polk, NE | 327 | $67,717 | 16.7% |