Regional Statistics
6,159
140
people/km²
19,890
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Population in Siedlce Municipality 2026
Siedlce municipality ranks 347 of 2,478 Polish municipalities. Population grew by 1,484 residents +8.06% between 2019-2024, now at 19,890.
Among 494 growing municipalities, in top 10% for growth rate. Within Siedlecki county, ranks 1 of 13 municipalities.
Based on 31 years of official GUS statistics for Siedlecki county municipalities within Masovian voivodeship.
Total Population Chart
Lowest at 13,855 in 1995
Highest at 19,890 in 2024
1995
29 years (+5 year forecast)
2024
Gmina Ranking
347/2478 Municipality in Poland
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Year over Year
since 2023
2024
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Vital Statistics
births and deaths
Age Structure
children, working age, and elderly
Gender
Age Distribution
from 0 to 75+ years
Siedlce