These sources provide access to quick, high-level statistics that are the most requested. The also provide citation information which can lead you to more sources for in depth statistics or even raw numeric and text data.
- Data.gov -- Gain access to hudreds of datasets from the US and some state level government information. Some datasets provide access to API's.
- FDSys Bulk Data Download -- Repository of bulk text data from the Government Publishing Office, including the Federal Register, Code of Federal Regulations, Congressional Bills, etc.