| Index | Diablo | California | National |
| Median home price | $3,697,081 | $731,680 | $326,622 |
| Median rent asked | $0 | $1,951 | $1,444 |
| Avg. people per household | 1.2 | 3.0 | 2.6 |
| Owner occupied households | 100.0% | 54.1% | 63.6% |
| Renter occupied households | 0.0% | 45.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Port Costa, CA | 251 | $0 | 100% |
| Pacheco, CA | 4,956 | $221,919 | 32% |
| San Miguel CDP (San Luis Obispo County), CA | 2,800 | $523,585 | 60% |
| Bay Point, CA | 26,221 | $609,871 | 87% |
| Pittsburg, CA | 73,362 | $756,429 | 132% |
| Diablo, CA | 867 | $3,697,081 | 1,032% |
| Population | Home Price | National Avg. | |
| McGill, NV | 867 | $148,954 | 54% |
| Middletown, MI | 867 | $124,583 | 62% |
| Prices Fork, VA | 867 | $482,903 | 48% |
| Savoonga, AK | 867 | $200,757 | 39% |
| Wild Rose, WI | 867 | $162,871 | 50% |
| Diablo, CA | 867 | $3,697,081 | 1,032% |