5,105 Postal Codes in Bulgaria

The average area for postal codes in Bulgaria is 23.9 km² with the largest being 4580 in Batak, Bulgaria, Pazardzhik Province at 564.5 km² and the smallest being 1734 in Sofia, Sofia City Province at 42,579 m². In Bulgaria the average population for a postal code is 1,536 with the most populated being postal code 4004 in Plovdiv, Plovdiv Province at 72,753. The median age for postal codes in Bulgaria ranges from 33.9 years old for 7548 in Silistra Province to 65.2 years old for 2578 in Kyustendil Province. The fastest growing postal code is 2953 in Osina, Blagoevgrad Province with population growth of 510.5% from 2000 to 2015, an average of 12.8% per year.