1930 United States Census

Fifteenth Census of the United States
U.S. Census Bureau Seal
Population Schedule Indian Census Roll
General information
Country	United States
Date taken	April 1, 1930
Total population	122,775,046
Percent change	13.7%
Most populous state	New York 12,588,066
Least populous state	Nevada 91,058

The Fifteenth United States Census, conducted by the Census Bureau one month from April 1, 1930, determined the resident population of the United States to be 122,775,046, an increase of 13.7 percent over the 106,021,537 persons enumerated during the 1920 Census.

The 1930 Census collected the following information:

Full documentation for the 1930 census, including census forms and enumerator instructions, is available from the Integrated Public Use Microdata Series.

The original census enumeration sheets were microfilmed by the Census Bureau in 1949; after which the original sheets were destroyed. The microfilmed census is located on 2,667 rolls of microfilm, and available from the National Archives and Records Administration. Several organizations also host images of the microfilmed census online, and digital indices.

Microdata from the 1930 census are freely available through the Integrated Public Use Microdata Series. Aggregate data for small areas, together with electronic boundary files, can be downloaded from the National Historical Geographic Information System.