Regional Statistics
Population in Leszno 2026
Leszno county ranks 244 of 380 Polish counties. Population shrank by 3,984 residents -6.27% between 2019-2024, now at 59,521.
Among 339 declining counties, in the bottom 40% for rate of decline. Within Greater Poland voivodeship, ranks 26 of 35 counties.
Based on 31 years of official GUS statistics for Leszno county and its 1 municipality within Greater Poland voivodeship.
Popular Cities in Poland
You may also be interested in
Contact Information for Leszno
Updated 77 days ago
Top tools
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.
IBAN Checker: Verify a Polish Bank Account Number
Free IBAN checker and validator for Polish bank accounts. Verifies checksum, identifies the bank by sort code, and shows detailed error reports.
PESEL Number Checker
Enter a PESEL number to extract the birth date, gender, and verify the check digit. Works as both a PESEL checker and validator.
Top articles
How to Get a PESEL for Your Child Born Abroad or Newborn in Poland
How to get a PESEL for your child born outside Poland or as a newborn. Required documents, which office to visit, and what to expect.
7 min readNIP Number in Poland: How to Find, Check, and Validate It
What is a NIP number in Poland? Learn how to find your own NIP, check a company's tax ID, and validate any Polish NIP online.
7 min readHow to Pay Tax After Buying a Car in Poland
Step-by-step guide to paying PCC tax after buying a used car in Poland. Covers the 2% rate, 14-day deadline, PCC-3 form, and online payment.
9 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