11,445 Postal Codes in Spain

The average area for postal codes in Spain is 46.5 km² with the largest being 13580 in Almodóvar del Campo, Castilla-La Mancha at 1,088.4 km² and the smallest being 33838 in Santo Adriano del Monte, Asturias at 63 m². In Spain the average population for a postal code is 4,208 with the most populated being postal code 08040 in Barcelona, Catalonia at 181,506. The median age for postal codes in Spain ranges from 30.3 years old for 52006 in Melilla to 73.8 years old for 37749 in Navamorales, Castile and León. The fastest growing postal code is 50197 in with population growth of 596.4% from 2000 to 2015, an average of 13.8% per year.