Complete Economic and Demographic Data Source (CEDDS) 2022

"The Complete Economic and Demographic Data Source (CEDDS) has data for all counties and CBSAs in the U.S. CEDDS contains annual historical data from 1970 (some variables begin in 1990) and annual projections to 2060 of population by age and race, employment by industry, earnings of employees by industry, GDP, personal income by source, households by income bracket and retail sales by kind of business." After downloading and unZIPping the ZIP file, the documentation files can be found in its top-level directory (in .PDF and .TXT formats).