| Index | Derby | Connecticut | National |
| Income per capita | $37,266 | $39,906 | $29,829 |
| Median household income | $58,534 | $71,755 | $55,322 |
| Median income owner occupied | $81,250 | $94,523 | $70,586 |
| Median income renter occupied | $33,425 | $37,585 | $35,192 |
| Median earnings male | $47,614 | $46,559 | $36,919 |
| Median earnings female | $44,015 | $31,943 | $26,250 |
| Unemployment rate | 5.4% | 5.3% | 4.7% |
| Poverty level | 12.4% | 10.4% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 11.7% | 11.7% |
| Manufacturing sector | 11.5% | 11.5% |
| Financial & insurance services | 2.0% | 2.0% |
| Wholesale & retail services | 13.3% | 13.3% |
| Public administration | 3.7% | 3.7% |
| Transportation, warehousing & utilities | 1.5% | 1.5% |
| Education, health & social services | 11.3% | 11.3% |
| Other | 41.4% | 41.4% |
| City | Population | Household Income | National Avg. |
| Southport, CT | 1,710 | $180,057 | 225.5% |
| Westport, CT | 27,511 | $166,307 | 200.6% |
| Newtown, CT | 1,921 | $142,500 | 157.6% |
| Orange, CT | 13,928 | $129,489 | 134.1% |
| Trumbull, CT | 36,477 | $112,674 | 103.7% |
| Derby, CT | 12,420 | $58,534 | 5.8% |
| City | Population | Household Income | National Avg. |
| North St. Paul, MN | 12,421 | $67,595 | 22.2% |
| Blue Ash, OH | 12,417 | $97,192 | 75.7% |
| West Monroe, LA | 12,431 | $35,528 | 35.8% |
| Brock, ON | 12,406 | n/a | |
| Markham, IL | 12,401 | $42,050 | 24.0% |
| Derby, CT | 12,420 | $58,534 | 5.8% |
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