Websites such as Interest.com provide viewable charts of the average retirement income per state based on information collected by the United States Census Bureau. The bureau annually releases significant amounts of income data related to retirement, although determining average income from this data often requires significant data sifting and compilation.
Most charts showing the average retirement income by state release at multiple year intervals. For example, the 2014 chart on Interest.com updated a 2011 chart. The tables also do not directly reflect a retirement income average. Rather, they provide a median income for individuals over 65, which varies slightly from a true retirement income average because a portion of people continue working past the age of 65.