Summaries of each census since 1790 are included in the series America in Two Centuries, an Inventory, with a volume for each census. The years 1790, 1800, 1830, 1860, 1870, 1880, 1890, 1900, 1920, and 1930 are at HA 201 (regular sized books). The years 1810, 1820, 1840, 1850, 1910, 1940, 1950, and 1960 are at HA 201 (oversized books).