Regional Statistics
2,058
1,088
people/km²
4,889
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Population in Sejny city Municipality 2023
In 2023, Sejny city municipality ranked 1805 of 2,478 Polish municipalities. Population shrank by 455 residents -8.51% between 2018-2023, at 4,889.
Among 1984 declining municipalities, in bottom 20% for rate of decline. Within Sejneński county, ranked 1 of 5 municipalities.
Based on 31 years of official GUS statistics for Sejneński county municipalities within Podlaskie voivodeship.
Total Population Chart
Lowest at 4,818 in 2024
Highest at 6,119 in 1998
1995
29 years (+5 year forecast)
2024
Gmina Ranking
1797/2477 Municipality in Poland
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Year over Year
since 2022
2023
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Vital Statistics
births and deaths
Age Structure
children, working age, and elderly
Gender
Age Distribution
from 0 to 75+ years
Sejny city