This article is an invaluable resource. It lists all the various government programs that are available to senior citizens, with links to criteria and additional information.
There is a lot of help available to seniors. The list of available programs includes, but is not limited to: Social Security, Medicare, Medicaid, Food Stamps, Property tax relief, legal help, housing vouchers and Supplemental Security Income.
The key is to know about them and have the ability or the knowledge to qualify.
http://www.investopedia.com/articles/personal-finance/100214/retirement-strategies-low-income-seniors.asp?layout=orig