People under 18 years of age regardless of marital status, who are related to the householder.
These federal thresholds definitions considers three parameters: family composition, family income, and the annual inflation. For example, in 2014, the poverty threshold for a family of two adults and two children was $24,008. To determine the family income it is considered: earnings, unemployment compensation, workers' compensation, Social Security, Supplemental Security Income, public assistance, veterans' payments, survivor benefits, pension or retirement income, interest, dividends, rents, royalties, income from estates, trusts, educational assistance, alimony, child support, assistance from outside the household, and other miscellaneous sources.
On the other side, these values does not includes information about unrelated individuals under age 15, institutional group quarters (such as prisons or nursing homes), nursing homes, college dormitories, military barracks and people living situations without conventional housing (and who are not in shelters). Also noncash benefits like food stamps, housing subsides, capital gain or losses, and the income of non- relatives in the household are not considered.
U.S. Census Bureau. 2005-2009, 2006-2010, 2007-2011, 2008 -2012, 2009-2013, 2010-2014, 2012- 2016. American Community Survey (5 years estimates).