The following article by the Max-Planck- Institute explains the development of census taking throughout Germany with graphics for a quick overview of how each German state handled the issue. Read the article at http://www.demogr.mpg.de/papers/working/wp-2009-023.pdf
There are few census records available for this area, however in the year 1939, you will find some census records extracts in the Family History Library Catalog of the 1939 German census concerning non-Germanic minorities living in census district Beuthen (StKr. Beuthen), Schlesien, Germany; now Bytom (Bytom), Katowice, Poland and some other larger localites such as Breslau, Gleiwitz, Hindenberg and Oppeln. The emphasis of this census is on the Jewish population.