| Index | Cromberg | California | National |
| Income per capita | $48,306 | $45,980 | $44,883 |
| Median household income | $102,346 | $95,535 | $81,333 |
| Median income owner occupied | $121,402 | $130,228 | $106,172 |
| Median income renter occupied | $0 | $64,137 | $52,080 |
| Median earnings male | $0 | $52,776 | $54,343 |
| Median earnings female | $0 | $38,938 | $38,439 |
| Unemployment rate | 5.6% | 6.8% | 4.9% |
| Poverty level | 0.0% | 15.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 33.3% | 33.3% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 20.8% | 20.8% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 33.3% | 33.3% |
| Other | 12.5% | 12.5% |
| City | Population | Household Income | National Avg. |
| Keddie, CA | 69 | $161,947 | 99.1% |
| Calpine, CA | 169 | $134,455 | 65.3% |
| Delleker, CA | 622 | $122,874 | 51.1% |
| Plumas Eureka, CA | 372 | $119,300 | 46.7% |
| Lake Davis, CA | 95 | $109,187 | 34.2% |
| Cromberg, CA | 322 | $102,346 | 25.8% |
| City | Population | Household Income | National Avg. |
| Pinal, AZ | 322 | $0 | 100.0% |
| Hillrose, CO | 322 | $98,973 | 21.7% |
| Hillcrest Heights, FL | 322 | $144,975 | 78.2% |
| Ellis Grove, IL | 322 | $81,366 | 0.0% |
| Wetmore, KS | 322 | $93,254 | 14.7% |
| Cromberg, CA | 322 | $102,346 | 25.8% |