Demographics of Cologne Demographics of Cologne Cologne () is Germany's fourth-largest city and the largest city in the Rhineland. As of 31 December 2011, there were officially 1,017,155 residents. The city is center of the Cologne/Bonn Region with around 3 million inhabitants (including the neighboring cities of Bonn, Hürth, Leverkusen, and Bergisch Gladbach). The walls of Colonia Agrippina covered an area of 96.8 hectares, but the population density within the walls remains uncertain. Since the construction of the Medieval wall in 1180, the area of the old imperial city of Cologne has not changed for more than 600 years and was only extended
History of the Jews in Cologne Bonn to Cologne. He belonged to the families who built the first Cologne community of Modern Times. Oppenheim, Jr. traded with cotton, linen, oil, wine and tobacco but his main activity was banking. Already in 1810 his bank was the second largest in Cologne after "Abraham Schaffhausen". Within the new Cologne Jewish community, Oppenheim, Jr. took an outstanding position in the social and political life. He was in charge of the community school but he was also the deputy of the Cologne community, who sent him to the congress of Jewish Notables in Paris in 1806–1807. A modest hall of