| Index | Piedmont | California | National |
| Income per capita | $167,181 | $45,980 | $44,883 |
| Median household income | $367,407 | $95,535 | $81,333 |
| Median income owner occupied | $365,470 | $130,228 | $106,172 |
| Median income renter occupied | $304,474 | $64,137 | $52,080 |
| Median earnings male | $186,511 | $52,776 | $54,343 |
| Median earnings female | $118,976 | $38,938 | $38,439 |
| Unemployment rate | 3.1% | 6.8% | 4.9% |
| Poverty level | 2.6% | 15.8% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 4.3% | 4.3% |
| Manufacturing sector | 8.6% | 8.6% |
| Financial & insurance services | 10.5% | 10.5% |
| Wholesale & retail services | 11.2% | 11.2% |
| Public administration | 2.8% | 2.8% |
| Transportation, warehousing & utilities | 4.2% | 4.2% |
| Education, health & social services | 15.2% | 15.2% |
| Other | 35.8% | 35.8% |
| City | Population | Household Income | National Avg. |
| Castle Hill, CA | 1,189 | $379,443 | 366.5% |
| Norris Canyon, CA | 818 | $375,658 | 361.9% |
| Alamo, CA | 14,363 | $365,913 | 349.9% |
| Belvedere, CA | 2,297 | $365,434 | 349.3% |
| Diablo, CA | 867 | $365,433 | 349.3% |
| Piedmont, CA | 11,734 | $367,407 | 351.7% |
| City | Population | Household Income | National Avg. |
| Upper Montclair, NJ | 11,734 | $313,735 | 285.7% |
| Mendota Heights, MN | 11,733 | $178,997 | 120.1% |
| Pontiac, IL | 11,732 | $73,301 | 9.9% |
| Gardnerville Ranchos, NV | 11,732 | $92,759 | 14.0% |
| Hamilton, ON | 11,739 | n/a | |
| Piedmont, CA | 11,734 | $367,407 | 351.7% |