23,146 Postal Codes in Poland

The average area for postal codes in Poland is 14.7 km² with the largest being 12-200 in Warmian-Masurian Voivodeship at 643.2 km² and the smallest being 70-481 in Szczecin, West Pomeranian Voivodeship at 4 m². In Poland the average population for a postal code is 2,148 with the most populated being postal code 87-100 in Toruń, Kuyavian-Pomeranian Voivodeship at 200,137. The median age for postal codes in Poland ranges from 27.7 years old for 34-615 in Słopnice, Lesser Poland Voivodeship to 42.9 years old for 17-204 in Dubicze Tofiłowce, Podlaskie Voivodeship. The fastest growing postal code is 02-972 in Warsaw, Masovian Voivodeship with population growth of 1390.0% from 2000 to 2015, an average of 19.7% per year.