The U.S. Census Bureaus 2007–2011 American Community Survey indicated the median household income for Indianapolis city was $42,704, and the median family income was $53,161. Median income for males working full-time, year-round, was $42,101, compared to $34,788 for females. Per capita income for the city was $24,430, 14.7% of families and 18.9% of the citys total population living below the poverty line (28.3% were under the age of 18 and 9.2% were age 65 or older).. How many more people living in Indianapolis city under the age of 18 were living below the poverty line compared to those who were 65 or older?