| Index | Columbia | California | National |
| Income per capita | $44,118 | $45,980 | $44,883 |
| Median household income | $59,133 | $95,535 | $81,333 |
| Median income owner occupied | $61,451 | $130,228 | $106,172 |
| Median income renter occupied | $0 | $64,137 | $52,080 |
| Median earnings male | $39,392 | $52,776 | $54,343 |
| Median earnings female | $20,846 | $38,938 | $38,439 |
| Unemployment rate | 5.0% | 6.8% | 4.9% |
| Poverty level | 20.1% | 15.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.4% | 11.4% |
| Manufacturing sector | 2.2% | 2.2% |
| Financial & insurance services | 2.7% | 2.7% |
| Wholesale & retail services | 8.5% | 8.5% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 9.5% | 9.5% |
| Education, health & social services | 14.4% | 14.4% |
| Other | 51.2% | 51.2% |
| City | Population | Household Income | National Avg. |
| Mountain Ranch, CA | 324 | $205,815 | 153.1% |
| Mi-Wuk Village, CA | 955 | $168,437 | 107.1% |
| Avery, CA | 461 | $167,464 | 105.9% |
| Copperopolis, CA | 3,688 | $123,679 | 52.1% |
| Forest Meadows, CA | 1,372 | $112,745 | 38.6% |
| Columbia, CA | 2,165 | $59,133 | 27.3% |
| City | Population | Household Income | National Avg. |
| South Taft, CA | 2,165 | $42,499 | 47.7% |
| Burns Harbor, IN | 2,165 | $121,217 | 49.0% |
| Moundridge, KS | 2,165 | $65,006 | 20.1% |
| Cherokee, NC | 2,165 | $64,323 | 20.9% |
| Eureka Mill, SC | 2,165 | $46,905 | 42.3% |
| Columbia, CA | 2,165 | $59,133 | 27.3% |