| | Diamond Bar, CA | Cotati, CA | United States |
| Unemployment Rate | 8.3% | 6.0% | 6.0% |
| Recent Job Growth | 0.7% | 1.7% | 1.6% |
| Future Job Growth | 35.5% | 35.2% | 33.5% |
| Sales Taxes | 9.5% | 9.1% | 6.2% |
| Income Taxes | 8.0% | 8.0% | 4.6% |
| Income per Cap. | $42,373 | $41,847 | $37,638 |
| Household Income | $100,776 | $97,500 | $69,021 |
| Family Median Income | $110,406 | $112,193 | $85,028 |
| space | | | |
| Est. Households By Income | | | |
| | Diamond Bar, CA | Cotati, CA | United States |
| Income Less Than 15K | 6.4% | 10.5% | 9.4% |
| Income between 15K and 20K | 2.5% | 1.0% | 3.8% |
| Income between 20K and 30K | 6.1% | 5.9% | 8.1% |
| Income between 30K and 40K | 5.2% | 4.8% | 8.0% |
| Income between 40K and 50K | 4.7% | 5.4% | 7.6% |
| Income between 50K and 60K | 4.1% | 4.5% | 7.2% |
| Income between 60K and 75K | 9.2% | 6.6% | 9.6% |
| Income between 75K and 100K | 11.4% | 13.0% | 12.8% |
| Income between 100K and 150K | 20.4% | 29.1% | 16.3% |
| Income between 150K and 200K | 13.4% | 7.0% | 7.8% |
| Income greater than 200K | 16.7% | 12.2% | 9.5% |
| space1 | | | |
| Population By Occupation | | | |
| | Diamond Bar, CA | Cotati, CA | United States |
| Management, business, finance | 23.5% | 15.8% | 16.4% |
| Engineering, computers, science | 9.5% | 5.5% | 6.5% |
| Community, social services | 2.4% | 1.6% | 1.8% |
| Legal | 1.2% | 0.3% | 1.2% |
| Education, library | 5.5% | 7.3% | 6.2% |
| Arts, design, media, sports, entertainment | 2.9% | 2.7% | 2.0% |
| Healthcare practitioners and technology | 8.1% | 5.5% | 6.2% |
| Healthcare support | 3.3% | 1.6% | 3.3% |
| Firefighters, law enforcement | 1.1% | 4.3% | 2.1% |
| Food preparation, serving | 4.1% | 7.9% | 5.4% |
| Building maintenance | 1.3% | 3.0% | 3.6% |
| Personal care | 1.7% | 2.6% | 2.6% |
| Sales, office, administrative support | 25.3% | 19.9% | 20.9% |
| Farming, fishing, forestry | 0.1% | 1.9% | 0.6% |
| Construction, extraction, maintenance/repair | 3.3% | 9.1% | 8.1% |
| Production, transportation, material moving | 6.6% | 11.1% | 13.1% |