The population of the United States was first classified into "urban" and "rural" in 1874. Text of this report traces, from that date through each subsequent decennial census, the development of the standards applied, and methods used in distinguishing "urban" from "rural" population areas into "farm" and "non-farm" beginning with the Census of 1930. States the classification standards to be used in the Census of 1950. Tables show:
Census statistics date back to 1790 and reflect the growth and change of the United States. Past census reports contain some terms that today’s readers may consider obsolete and inappropriate. As part of our goal to be open and transparent with the public, we are improving access to all Census Bureau original publications and statistics, which serve as a guide to the nation's history.