| Index | Port Costa | California | National |
| Income per capita | $83,660 | $45,980 | $44,883 |
| Median household income | $0 | $95,535 | $81,333 |
| Median income owner occupied | $0 | $130,228 | $106,172 |
| Median income renter occupied | $0 | $64,137 | $52,080 |
| Median earnings male | $92,409 | $52,776 | $54,343 |
| Median earnings female | $0 | $38,938 | $38,439 |
| Unemployment rate | 0.0% | 6.8% | 4.9% |
| 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. |
| Castle Hill, CA | 1,189 | $379,443 | 366.5% |
| Alamo, CA | 14,363 | $365,913 | 349.9% |
| Diablo, CA | 867 | $365,433 | 349.3% |
| Orinda, CA | 19,891 | $345,621 | 324.9% |
| North Gate, CA | 758 | $303,539 | 273.2% |
| Port Costa, CA | 251 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Bloomfield, CA | 251 | $161,198 | 98.2% |
| Cadiz, IN | 251 | $84,059 | 3.4% |
| Otwell, IN | 251 | $57,796 | 28.9% |
| Bassfield, MS | 251 | $63,503 | 21.9% |
| Carson, ND | 251 | $62,587 | 23.0% |
| Port Costa, CA | 251 | $0 | 100.0% |