The BLS keeps and provides statistics on employment and unemployment and compensation among other topics. They also publish the excellent Occupational Outlook Handbook, which summarizes working conditions, pay, and training required for a wide range of occupations.
Relevant topics on the Home Page are American Factfinder (for a variety of demographic and statistical data), Statistical Abstracts - the site for U.S. demographic information, FedStats - for links to statistics and statistical agencies, State and Metropolitan Area Data Book
The Livingston Survey is the oldest continuous survey of economists' expectations. It summarizes the forecasts of economists from industry, government, banking, and academia. The Federal Reserve Bank of Philadelphia took responsibility for the survey in 1990.