| Index | Port Costa | California | National |
| Median home price | $0 | $409,300 | $184,700 |
| Median rent asked | $0 | $1,297 | $949 |
| Avg. people per household | 1.8 | 3.0 | 2.6 |
| Owner occupied households | 17.9% | 54.1% | 63.6% |
| Renter occupied households | 82.1% | 45.9% | 36.4% |
| Population | Home Price | National Avg. | |
| Pacheco, CA | 4,775 | $124,600 | 33% |
| San Miguel CDP (San Luis Obispo County), CA | 2,696 | $287,100 | 55% |
| Bay Point, CA | 25,378 | $332,900 | 80% |
| El Cerrito CDP, CA | 5,699 | $369,500 | 100% |
| Montalvin Manor, CA | 2,490 | $371,900 | 101% |
| Port Costa, CA | 242 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Seneca, OR | 242 | $72,100 | 61% |
| Brookville, KS | 242 | $83,300 | 55% |
| Joplin, MT | 242 | $109,300 | 41% |
| Pocahontas, VA | 242 | $63,300 | 66% |
| Talmo, GA | 242 | $158,300 | 14% |
| Port Costa, CA | 242 | $0 | 100% |
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