1790 United States Census
Seal of the United States Census Bureau
Title page of 1790 United States Census
General information
Country	United States
Date taken	August 2, 1790 (1790-08-02)
Total population	3,893,635
Most populous state	Virginia 747,610
Least populous state	Delaware 59,094

The United States Census of 1790 was the first United States Census. It recorded the population of the United States as of August 2, 1790. In the First Census, the population of the United States was 3,929,214.

Data was collected from all thirteen states (Connecticut, Delaware, Georgia, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, and Virginia), and districts and territories that would become Vermont, Kentucky, Tennessee, and Maine.