St. Louis Census Books
The Missouri History Society has a few City censuses from the 1840s
| St Louis County census, St. Louis City and St. Louis Township, 1840 | Original | AI Index | ||
| St. Louis County census, Carondelet, Bonhomme, Meramec, St. Ferdinand, and Central Townships, 1840 | Original | AI Index | ||
| St. Louis City census, 1845 | Original | AI Index |
The St. Louis County Library has a series of Census Books for the 1840s and 1850s
| St. Louis City census, 1847 | Original | AI Index | ||||
| St. Louis City census, 1849 | Original | AI Index | ||||
| St. Louis City census, 1850-1851 | Original | AI Index | ||||
| St. Louis City census, 1852-1853 | Original | AI Index | ||||
| St. Louis City census, 1856 | Part 1 | Original | AI Index | |||
| Part 2 | Original | |||||
| St. Louis City census, 1857 | Part 1 | Original | AI Index | |||
| Part 2 | Original | |||||
| Part 3 | Original |