The first United States census was officially completed, with the nation's residential population enumerated to be 3,929,214.

1790 United States census

First US census

The 1790 United States census was the first United States census. It recorded the population of the whole United States as of Census Day, August 2, 1790, as mandated by Article 1, Section 2, of the Constitution and applicable laws. In the first census, the population of the…