What might be one reason for the changes to the number of questions in the 1940 A total of 65 questions were asked on the 1940 Census 34 for the Census of Population QUESTIONS and 31 for the Census of 81 Housing Additionally 5 of the population was asked 16 supplemental questions 1940 CENSUS FORM Oblased questions different areas studied 2010 DEL In 2010 every household was asked the same ten basic questions 10 QUESTIONS The more detailed demographic housing and economic questions that were asked of a sample of households in the Census through 2000 are now sked annually in the Americ Community Survey ACS which was sent to about 3 5 million households in 2010 pely FANA Sources 2010 Census 1840 Census Some Intreton came from the publica Bon Procedure story of the 1940 Cesus by Robert M Jerin decreased participation 2010 CENSUS FORM sus