Skip to Main Content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Skip to content


Population Characteristics in the U.S.: Decennial Census Information

Selected resources originating from Census data including population statistics, social characteristics and economic condition in the United States.

Questionnaires 1790 to 2000

Measuring America: the decennial censuses from 1790 to 2000.



Decennial Census in Microfilm

Decennial Census

The U.S. Census counts every resident in the United States, and is required by the Constitution to take place every 10 years.

The UI Libraries has population counts, not population schedules that list family names.  The State Historical Society of Iowa has selected population schedules.