Notes • August 2, 2025by johnataylor on TwosFun Fact: On August 2, 1790, the first census of the United States recorded the population of the whole United States as mandated by Article 1, Section 2, of the Constitution and applicable laws. In this first census, the population of the United States was enumerated to be 3,929,214 inhabitants. The census was published in 1791. It was 56 pages and cost $44,377.28, which is equivalent to $1,517,702.98 in 2025 U. S. dollars.