Regional Statistics
Population in Siedlecki County 2026
Siedlecki county ranks 162 of 380 Polish counties. Population shrank by 207 residents -0.26% between 2020-2025, now at 80,483.
Among 339 declining counties, in the middle tier for rate of decline. Within Masovian voivodeship, ranks 20 of 42 counties.
Based on 31 years of official GUS statistics for Siedlecki county and its 13 municipalities within Masovian voivodeship.
Vital Statistics
births and deathsAge Structure
children, working age, and elderlyPopulation by Gender
Age Distribution
from 0 to 85+ yearsPopular Cities in Poland
Contact Information for Siedlecki
Updated 119 days ago
Statistics
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Housing stock, dwellings completed, building permits, average dwelling size, utilities coverage, and construction trends.
EconomyTourism
Foreign tourist arrivals, nights spent, and visitors by country of origin.
GeographyTerritory
Total area, land use composition, forest coverage, and nature protection.
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