REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. China Counties with 2010 Long Form Census Data is a polygon theme representing Counties in China as of 2010. Attribute information includes a number of variables from the census long form representing the population as of November 1, 2010. The long form includes all short form items plus other items such as migration, education, economic activities, marriage and family, fertility , housing , etc.