| Index | Rockville | Nebraska | National |
| Income per capita | $38,362 | $42,745 | $44,883 |
| Median household income | $53,631 | $81,154 | $81,333 |
| Median income owner occupied | $54,597 | $102,351 | $106,172 |
| Median income renter occupied | $0 | $47,625 | $52,080 |
| Median earnings male | $45,719 | $53,280 | $54,343 |
| Median earnings female | $36,752 | $37,214 | $38,439 |
| Unemployment rate | 13.6% | 3.1% | 4.9% |
| Poverty level | 11.1% | 12.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 29.1% | 29.1% |
| Manufacturing sector | 21.8% | 21.8% |
| Financial & insurance services | 3.6% | 3.6% |
| Wholesale & retail services | 5.5% | 5.5% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 1.8% | 1.8% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 38.2% | 38.2% |
| City | Population | Household Income | National Avg. |
| Farwell, NE | 95 | $90,146 | 10.8% |
| Cairo, NE | 1,157 | $87,419 | 7.5% |
| Ravenna, NE | 1,498 | $81,830 | 0.6% |
| Pleasanton, NE | 421 | $70,353 | 13.5% |
| Ashton, NE | 246 | $65,253 | 19.8% |
| Rockville, NE | 182 | $53,631 | 34.1% |
| City | Population | Household Income | National Avg. |
| Fountain Hill, AR | 182 | $79,121 | 2.7% |
| Elk Creek, CA | 182 | $0 | 100.0% |
| Berrydale, FL | 182 | $0 | 100.0% |
| Aurora, IA | 182 | $71,581 | 12.0% |
| Linn Grove, IA | 182 | $71,710 | 11.8% |
| Rockville, NE | 182 | $53,631 | 34.1% |