<Tr> <Td> 2003 </Td> <Td> $45,016 </Td> <Td> $18,787 </Td> <Td> $22,718 </Td> <Td> $36,835 </Td> <Td> $45,854 </Td> <Td> $56,970 </Td> <Td> $68,728 </Td> <Td> $73,446 </Td> <Td> $78,541 </Td> <Td> $100,000 </Td> <Td> $96,830 </Td> </Tr> <Tr> <Td> Average </Td> <Td> $43,376 </Td> <Td> $18,183 </Td> <Td> $23,013 </Td> <Td> $37,620 </Td> <Td> $46,109 </Td> <Td> $51,934 </Td> <Td> $66,997 </Td> <Td> $72,376 </Td> <Td> $78,094 </Td> <Td> $104,368 </Td> <Td> $94,487 </Td> </Tr> <P> SOURCE: US Census Bureau, 2003 </P> <P> Household income in the United States varies substantially with the age of the person who heads the household . Overall, the median household income increased with the age of householder until retirement age when household income started to decline . The highest median household income was found among households headed by working baby - boomers . </P>

What is the average income for a household