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 History of the Jews in Cologne The history of the Jews in Cologne is documented from the year 321 AD, almost as long as the history of Cologne. Over its history, the Jewish community of Cologne has suffered persecutions, many expulsions, massacres and destruction. The community numbered about 19,500 people before its dispersal, murders and destruction in the 1930s by the Nazis before and during World War II. The community has re-established itself and now numbers about 4,500 members. Because of its historical continuity, today's Jewish synagogue calls itself the "oldest Jewish congregation north of the Alps". Cologne was founded