The United States has collected data about its population since 1790 and continues to collect data every 10 years. Currently, the National Archives has the 1790 to 1950 census records available to the public.
In addition to the censuses conducted by the federal government, many state censuses have been conducted. Some of these date to the colonial period. Although the National Archives may have some of these records, contact your state or local archives to inquire about their state census holdings.
Publications related to the census data collected from 1790 to 2020 are available in the Census Publications Library.
Visit the National Archives Web site to access 1940 and 1950 Census records.
Decennial census records are confidential for 72 years to protect respondents' privacy.
Records from the 1960 to 2020 censuses can only be obtained by the person named in the record or their heir after submitting form BC-600 or BC-600SP (Spanish).
Online subscription services are available to access the 1790–1950 census records. Many public libraries provide access to these services free of charge to their patrons. Contact your local library to inquire if it has subscribed to one of these services.