databases of statistical information
Economics and Business
U.S. Commerce Department
This site has detailed data on business and economic trends in the United States on an international, national and regional level.
U.S. Census Bureau
The Census Bureau does regular surveys on various national business and economic indicators, as well as an economic census every five years with statistical data down to the county and city level.
California Department of Finance
Economic analyses and forecasts, county level data and an annual California Statistical Almanac.
Economic data on California including employment, income, consumer prices, construction and foreign trade.