The retailer data end of year summaries contain important information about compliance activity and violators of the program rules.
The SNAP Quality Control database contains detailed information on the economic and demographic circumstances of a sample of households selected for review as part of the SNAP QC System. The data include households from the 50 states, the District of Columbia, Guam and the U.S. Virgin Islands. Data are available from 1996 through the most recent year for which QC error rates are available.
This report presents estimates of the percentage of eligible persons, by state, who participated in SNAP during an average month in FY 2019 and in the two previous fiscal years. SNAP eligibility criteria include maximum income and resource thresholds, as well as certain nonfinancial criteria, such as age and disability status.
This link provides historical data on authorized SNAP retailers. The data file includes retailer name, type, address, location and authorization dates for retailers that were authorized to accept SNAP benefits at any point since 1990.