In the first update since 1975, the Historical Statistics of the United States: Earliest Times to the Present has been issued in a new five-volume millennial edition. More than 37,000 annual time series tables are included on population, work and welfare, economic structure and performance, governance, and international relations. Each series is accompanied by documentation from a recognized expert.
This statistical set is packed with detail, from the number of pharmacists in 1850 to the annual precipitation in Grace, Idaho from 1895-1998. Whatever historical statistics you are seeking, you are bound to find them here. The Historical Statistics of the United States is located @thelibrary in the main Reference collection.