Survey of Income and Program Participation. (SIPP)Longitudinal U. S. government survey of the financial status of American households conducted since 1983 (data starts with 1984). Covers government transfer and service programs, pension coverage, housing affordability, home ownership data, housing cost data (primarily mortgages), financial assistance for education, among other topics. Dataset can also be accessed through ICPSR and through the National Bureau of Economic Research
Comparison of SIPP, PSID and CPS (current population survey): http://www.census.gov/sipp/vs.html