Regional Statistics
4,234
44
people/km²
12,562
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Population in Ostrów Mazowiecka Municipality 2026
Ostrów Mazowiecka municipality ranks 654 of 2,478 Polish municipalities. Population shrank by 322 residents -2.5% between 2019-2024, now at 12,562.
Among 1984 declining municipalities, in top 40% for steepest decline. Within Ostrowski county, ranks 2 of 11 municipalities.
Based on 31 years of official GUS statistics for Ostrowski county municipalities within Masovian voivodeship.
Total Population Chart
Lowest at 12,562 in 2024
Highest at 13,613 in 1995
1995
29 years (+5 year forecast)
2024
Gmina Ranking
654/2478 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
Ostrów Mazowiecka