Denmark's 1700 census of men includes a listing of all men by household, giving the property appraisal (hartkorn), the name of the head, his age, all those men in his household, their relationships and occupations, and their ages. This is a compilation of abstracted data. [The original link is broken. This link points to an archived copy on the Wayback Machine]
In in some areas of Denmark school censuses were created, which listed all of the school children and information about them. This is an article with abstracted data from 1735-1739. [The original link is broken. This link points to an archived copy on the Wayback Machine]
This website contains a digital version of the register of inhabitants of Copenhagen which was kept by the police from 1890 to 1923. A forerunner of the “Folkeregistret” (national register), the register is the first central registration of the entire population of Copenhagen. There is a total of 1.2 million records.