Original (microfilm) images of the 1790 Census are sourced as COUNTY, STATE, United States. 1790 U.S. Census Population Schedule.
U.S. Census Bureau Books
These publications are a U.S. government-issued transcription of the 1790 Census.
Quick Tip: If you want to save any of the PDF files on the Source pages to your computer for Off-Line viewing, right click on the PDF link and choose Save Link As....