| Index | Seaford | Delaware | National | 
| Income per capita | $24,204 | $31,118 | $29,829 | 
| Median household income | $52,840 | $61,017 | $55,322 | 
| Median income owner occupied | $69,250 | $72,470 | $70,586 | 
| Median income renter occupied | $32,554 | $38,152 | $35,192 | 
| Median earnings male | $38,869 | $39,093 | $36,919 | 
| Median earnings female | $24,158 | $30,154 | $26,250 | 
| Unemployment rate | 5.8% | 4.5% | 4.7% | 
| Poverty level | 17.1% | 12.0% | 15.1% | 

 
				
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				| Labour Type | Male | Female | 
| Construction industry | 13.9% | 13.9% | 
| Manufacturing sector | 24.3% | 24.3% | 
| Financial & insurance services | 1.4% | 1.4% | 
| Wholesale & retail services | 20.7% | 20.7% | 
| Public administration | 1.7% | 1.7% | 
| Transportation, warehousing & utilities | 9.2% | 9.2% | 
| Education, health & social services | 5.8% | 5.8% | 
| Other | 23.0% | 23.0% | 
| City | Population | Household Income | National Avg. | 
| Williston, MD | 174 | $160,192 | 189.6% | 
| Mardela Springs, MD | 487 | $83,350 | 50.7% | 
| Vienna, MD | 423 | $74,063 | 33.9% | 
| Bethel, DE | 404 | $73,906 | 33.6% | 
| Sharptown, MD | 687 | $70,625 | 27.7% | 
| Seaford, DE | 7,897 | $52,840 | 4.5% | 
| City | Population | Household Income | National Avg. | 
| Flowery Branch, GA | 7,896 | $85,703 | 54.9% | 
| Sheboygan Falls, WI | 7,898 | $56,266 | 1.7% | 
| McGregor, FL | 7,899 | $64,431 | 16.5% | 
| Jersey Village, TX | 7,900 | $81,869 | 48.0% | 
| Bridge City, TX | 7,902 | $87,031 | 57.3% | 
| Seaford, DE | 7,897 | $52,840 | 4.5% |