Poverty data from major household surveys and programs. The Annual Social and Economic Supplement (ASEC) to the Current Population Survey (CPS) is the source of official national poverty estimates. The American Community Survey (ACS) provides single and multi-year estimates for smaller areas. The Survey of Income and Program Participation (SIPP) provides longitudinal estimates. The Small Area Income and Poverty Estimates (SAIPE) program provides estimates for counties and school districts.