The images in this gallery have been categorized with something smugmug.com calls KEYWORDS. Keywords can help you find what you are looking for. You can click the keywords listed below the featured image to see other images grouped in the same categories. For example, if you are viewing an image with a particular surname or a certain county listed in its keywords, you can click on the keyword to see other images grouped with that surname or county. For tips on making the census images larger on your screen, see the viewing tips in the footnote below. The census date was 1 June 1840. The 1840 census asked, for the first time, the ages of revolutionary war pensioners, as well as the number of persons attending school. There were a total of twenty-six states in the Union, with Arkansas and Michigan being the latest additions. The two new territories of Wisconsin and Iowa were also enumerated.

1840 Questions: Name of the head of household; Number of free white males and females categorized by age group (age categories: 0 to 5, 5 to 10, 10 to 15, 15 to 20, 20 to 30, 30 to 40, 40 to 50, 50 to 60, 60 to 70, 70 to 80, 80 to 90, 90 to 100, over 100); Number of free colored males and females by age group; Number of male and female slaves by age group; Number of persons in each family engaged in various occupations; Names and ages of military pensioners; Number of both white and colored deaf, mute and blind persons; Number of students; Number of scholars at public charge; Number of free white persons older than 20 who could not read and write