The Sixth National Population Census of China （NPCC）Database - 2010 中国第六次人口普查数据库
Licensed for UHM use only
It collects all data of 2010 Chinese population census that published by China Statistics Press. The census includes a complete population data of the whole country, 31 provinces and centrally administered municipalities. It also includes 2872 units at county level. The contents are categorizes by gender, age, nationality, permanent residence registration, education level, industry, occupation, social security, marriage, fertility, death, housing, migration and etc.
Both content and interface are currently in Chinese. The English version will be provided after April of 2014.
Link to 中华人民共和国国家统计局 National Bureau of Statistics of the People's Republic of China -- Free access