| Index | Castle Hill | California | National |
| Income per capita | $153,963 | $45,980 | $44,883 |
| Median household income | $379,443 | $95,535 | $81,333 |
| Median income owner occupied | $370,746 | $130,228 | $106,172 |
| Median income renter occupied | $0 | $64,137 | $52,080 |
| Median earnings male | $205,758 | $52,776 | $54,343 |
| Median earnings female | $210,116 | $38,938 | $38,439 |
| Unemployment rate | 2.8% | 6.8% | 4.9% |
| Poverty level | 0.3% | 15.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 15.4% | 15.4% |
| Manufacturing sector | 13.9% | 13.9% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 5.6% | 5.6% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 6.5% | 6.5% |
| Other | 53.7% | 53.7% |
| City | Population | Household Income | National Avg. |
| Norris Canyon, CA | 818 | $375,658 | 361.9% |
| Camino Tassajara, CA | 6,002 | $367,837 | 352.3% |
| Piedmont, CA | 11,734 | $367,407 | 351.7% |
| Alamo, CA | 14,363 | $365,913 | 349.9% |
| Diablo, CA | 867 | $365,433 | 349.3% |
| Castle Hill, CA | 1,189 | $379,443 | 366.5% |
| City | Population | Household Income | National Avg. |
| Mount Ida, AR | 1,189 | $59,641 | 26.7% |
| Spring Valley CDP (Lake County), CA | 1,189 | $40,160 | 50.6% |
| Palm Beach Shores, FL | 1,189 | $111,078 | 36.6% |
| Granger, TX | 1,189 | $67,751 | 16.7% |
| Gassaway, WV | 1,189 | $78,850 | 3.1% |
| Castle Hill, CA | 1,189 | $379,443 | 366.5% |