View a list of Postal Codes in IcelandThe average area for zip codes in Iceland is 802.8 km² with the largest being 701 in Austurland at 10,355.1 km² and the smallest being 345 in Vestfirðir at 0.52 km². In Iceland the average population for a postal code is 2,503 with the most populated being zip code 112 in Reykjavík, Höfuðborgarsvæði at 26,165. The average population density for a postal code in Iceland is 337.1 / km² with the densest being zip code 107 in Reykjavík, Höfuðborgarsvæði at 4,153 / km². The median age for postal codes in Iceland range from 30.4 years old for 245 in Sandgerði, Suðurnes to 46.2 years old for 880 in Kirkjubæjarklaustur, Suðurland. The fastest growing postal code is 113 in Reykjavík, Höfuðborgarsvæði with population growth of 456.1% from 2000 to 2015, an average of 12.1% per year.
