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
Kilian of Cologne use of his monastery and pilgrim monks, several farms, with the fishing of the Rhine attached; three churches, several manses, vineyards, and exemption from some of the taxes in the city and in the empire. He also got charge of the monastery of St. Pantaleon, in the city, as well as of St. Martin's. It is evident there must have been Irish monks in the former as well as in the latter of these monasteries."" He died 19 January 1003, after which date the abbey appears to have declined in its Irish connection. Kilian of Cologne Kilian of Cologne, Irish