3.9 million persons
Geography: 13 original states plus Kentucky, Maine, Vermont, and Western Territories (Tennessee)
Publications: https://www.census.gov/prod/www/decennial.html
5.3 million persons
Geography: Add Tennessee, North West Territory, Indiana Territory, Miscopy Territory, and District of Columbia.
Publications:
7.2 million persons
Geography: Add Ohio, East Tennessee, West Tennessee, Territories of Orleans, Mississippi, Louisiana, Indiana, Illinois, Michigan.
Publications: https://www.census.gov/prod/www/decennial.html
9.6 million persons
Geography: Add Indiana, Illinois, Missouri, Alabama, Mississippi, Louisiana.
Publications: https://www.census.gov/prod/www/decennial.html