As of 2015, a good location to find statistics on American finances is Statistic Brain. The site provides statistics on many aspects of American families.
Statistic Brain provides statistics on topics, including the average home value, average amount saved for retirement, average amount of credit card debt, average household income and the general amount Americans have in savings accounts.
Another good location for financial statistics is the government census site. The site covers topics of family debt, financial assets held by families and disposable personal income. The information on the site was gathered from the most recent census. Statistic reports are free to view, download and print.