Regional Statistics
Population in Siemiatycze Municipality 2020
In 2020, Siemiatycze municipality's population decreased by 325 residents -5.28% between 2015-2020, at 5,833.
Official statistics from Statistics Poland (GUS), Local Data Bank (BDL), 1995–2025. Covers the municipality (gmina) of Siemiatycze in Siemiatycki County, Podlaskie Voivodeship.
Vital Statistics
births and deathsAge Structure
children, working age, and elderlyPopulation by Gender
Age Distribution
from 0 to 85+ yearsCities in Poland
Contact Information for Siemiatycze
Updated 189 days ago
Statistics
Show allTourism
Foreign tourist arrivals, nights spent, and visitors by country of origin.
GeographyTerritory
Total area, land use composition, forest coverage, and nature protection.
Housing & LivingHousing Market
Housing stock, dwellings completed, building permits, average dwelling size, utilities coverage, and construction trends.
Top tools
Poland Rental Income Tax Calculator
CalculatorCalculate the 8.5% and 12.5% ryczałt on your Polish rental income.
Mikrorachunek Checker
ValidatorVerify a mikrorachunek and extract the PESEL or NIP.
Poland Corporate Tax (CIT) Calculator
CalculatorCalculate Polish CIT at 9% or 19% from revenue and costs.
Top articles
How to Get Polish Citizenship by Descent
How to get Polish citizenship by descent. Eligibility rules, required documents, application steps, costs, and timelines for ancestry-based claims.
10 min readNIP Number in Poland: How to Find, Check, and Validate It
NIP is Poland's 10-digit tax ID for businesses. The same number doubles as your EU VAT ID with a PL prefix. Who needs one, who doesn't, and how to get yours.
7 min readHow to Find Your Bank's SWIFT/BIC Code
Find your bank's SWIFT/BIC code in 4 ways: bank app, statement, online lookup, or extracting it from any IBAN. Includes codes for Revolut, Wise, N26, PayPal & more.
7 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.
Go to
Featured as showcase #1322 on dane.gov.pl, Poland's official open data portal.
© 2026 Poland.gg