Data Notes & Sources
National data were calculated from the 2010 American Community Survey, representing information from 2010. State data were calculated from the 2008-2010 American Community Survey, representing information from the years 2008 to 2010.
- Low Income
- Families and children are defined as low-income if the family income is less than twice the federal poverty threshold (see Poor).
- Families and children are defined as poor if family income is below the federal poverty threshold. The federal poverty level for a family of four with two children was $22,350 in 2011, $22,050 in 2010, and $22,050 in 2009.