| Index | Port Costa | California | National |
| Income per capita | $56,480 | $31,458 | $29,829 |
| Median household income | $0 | $63,783 | $55,322 |
| Median income owner occupied | $0 | $86,568 | $70,586 |
| Median income renter occupied | $0 | $43,419 | $35,192 |
| Median earnings male | $63,043 | $36,599 | $36,919 |
| Median earnings female | $0 | $27,020 | $26,250 |
| Unemployment rate | 0.0% | 5.5% | 4.7% |
| Poverty level | 0.0% | 15.8% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 68.4% | 68.4% |
| Manufacturing sector | 31.6% | 31.6% |
| Financial & insurance services | 0.0% | 0.0% |
| 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 | 0.0% | 0.0% |
| City | Population | Household Income | National Avg. |
| Diablo, CA | 834 | $250,001 | 351.9% |
| Castle Hill, CA | 1,164 | $250,001 | 351.9% |
| Alamo, CA | 13,864 | $248,167 | 348.6% |
| Orinda, CA | 19,461 | $231,230 | 318.0% |
| Shell Ridge, CA | 1,081 | $203,833 | 268.4% |
| Port Costa, CA | 242 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Orchard Hill, GA | 242 | $30,469 | 44.9% |
| Talmo, GA | 242 | $80,385 | 45.3% |
| Patterson, IA | 242 | $54,500 | 1.5% |
| Wardner, ID | 242 | $29,318 | 47.0% |
| Sawyerville, IL | 242 | $40,556 | 26.7% |
| Port Costa, CA | 242 | $0 | 100.0% |