http://www.ancestry.com/search/io/main.htm This is a site that gives the Districts of all the Census for the counties... This is a FREE portion....you don't need to be a member. http://www.ipums.umn.edu/~pipums/voliii/tEnumInstr.html This site gives helpful information --instructions to the Enumerators. http://www.ipums.umn.edu/~pipums/voliii/tQuestions.html This gives the questions that were asked.... Virginia Crilley