| Index | Seaford | Delaware | National |
| Income per capita | $19,486 | $30,191 | $28,555 |
| Median household income | $35,813 | $60,231 | $53,482 |
| Median income owner occupied | $56,375 | $71,990 | $68,142 |
| Median income renter occupied | $20,250 | $36,658 | $33,219 |
| Median earnings male | $31,197 | $38,619 | $36,116 |
| Median earnings female | $25,088 | $29,263 | $25,692 |
| Unemployment rate | 3.9% | 5.4% | 5.8% |
| Poverty level | 30.0% | 12.0% | 15.6% |
| Labour Type | Male | Female |
| Construction industry | 6.6% | 1.0% |
| Manufacturing sector | 14.2% | 0.0% |
| Financial & insurance services | 1.0% | 2.8% |
| Wholesale & retail services | 15.9% | 15.1% |
| Public administration | 2.5% | 2.3% |
| Transportation, warehousing & utilities | 16.2% | 1.2% |
| Education, health & social services | 15.3% | 43.7% |
| Other | 28.4% | 21.0% |
| City, State | Population | Household Income | National Avg. |
| Williston, MD | 103 | $80,395 | 50% |
| Eldorado, MD | 100 | $74,000 | 38% |
| Bethel, DE | 179 | $68,750 | 29% |
| Vienna, MD | 204 | $55,833 | 4% |
| Bridgeville, DE | 2,359 | $52,639 | 2% |
| Seaford, DE | 7,163 | $35,813 | 33% |
| City, State | Population | Household Income | National Avg. |
| Bridge City, LA | 7,163 | $31,759 | 41% |
| Pomona, NJ | 7,164 | $67,063 | 25% |
| Mendota, IL | 7,161 | $44,454 | 17% |
| Guadalupe, CA | 7,160 | $45,456 | 15% |
| Albertville, MN | 7,159 | $96,896 | 81% |
| Seaford, DE | 7,163 | $35,813 | 33% |