The St. Louis directory for 1848 /
Progressive Table of the Population of St. Louis.

1765 estimate, 100
1780 estimate, 469
1800 estimate, 873
1810 1,600
1820 4,598
1830 6,694
1840 16,469
1845 estimate, 45,000
1847 estimate, 55,000
1848 estimate, 62,000