Why is Iceland's population density in the southern part of the country

The population of Iceland is very homogeneous; it is almost entirely of Nordic and Celtic origin. In the beginning of the 1940s, a large-scale migration movement took place to the cities and towns of the coast. 93% of Icelanders now live in cities. The island has a population (according to estimates for 2015) of 330,823 inhabitants and a population density of 3 hab / km².

The most important cities are Akureyri (16,308 inhabitants), a fishing and industrial center on the north coast and the largest urban area outside the southwest; Kópavogur (25,803 inhabitants), Hafnarfjördur (22,000 inhabitants) and Keflavík (7,637 inhabitants), all of them on the southwest coast near Reykjavík; Vestmannaeyjar (4,640 inhabitants), on the tiny island of Heimaey, off the southern coast, and Selfoss (4,321 inhabitants), in the southern lowlands, is the main center for the agricultural region and the largest inland community in Iceland "Iceland". 70% of the total population is concentrated in the south of the island, due to the bad weather conditions of the rest of the island, besides the center of it is not suitable for cultivation.