Regional Statistics
Population in Kwidzyn city Municipality 2026
Kwidzyn city municipality ranks 141 of 2,478 Polish municipalities. Population shrank by 1,853 residents -4.82% between 2019-2024, now at 36,565.
Among 1984 declining municipalities, in top 10% for steepest decline. Within Kwidzyński county, ranks 1 of 6 municipalities.
Based on 31 years of official GUS statistics for Kwidzyński county municipalities within Pomeranian voivodeship.
Popular Cities in Poland
You may also be interested in
Contact Information for Kwidzyn city
Updated 77 days ago
Top tools
NIP Checker
Verify any Polish NIP (VAT/tax ID) number with an instant checksum check and tax office prefix decode.
Polish IBAN Generator
Generate a valid Polish IBAN from a bank code and account number. See the 28-character PL IBAN format with a real example.
Mikrorachunek Checker
Check whether a mikrorachunek podatkowy number matches the official format and extract the embedded PESEL or NIP.
Top articles
How to Block Your PESEL Number in Poland
Step-by-step guide to blocking your PESEL number via mObywatel, your bank, or in person. Learn what zastrzeżenie PESEL protects and how to reverse it.
7 min readHow to Pay a PIT Underpayment in Poland
Owe money after filing your PIT in Poland? Learn how to pay a niedopłata step by step, including deadlines, transfer details, and late payment interest.
8 min readWhen Do You Have to Give Your PESEL in Poland? Your Rights Under RODO
Learn when you're legally required to share your PESEL number in Poland and when you can refuse under RODO (GDPR). A foreigner's guide to data protection.
8 min readMaking sense of Poland
I dig through Polish legal databases and government statistics so you don't have to. Property deep-dives, tax guides, free tools, and the kind of data stories that never make it into English.
© 2026 Poland.gg