What did the 1920 census report?

that slaves will be free?

Explanation:

i'm not sure i wasn't alive at that time

The results of the 1920 census revealed a major and continuing shift of the population of the United States from rural to urban areas. No apportionment was carried out following the 1920 census; representatives elected from rural districts worked to derail the process, fearful of losing political power to the cities.