Regional Statistics
20,833
1,441
people/km²
48,229
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Population in Ostrołęka County 2023
In 2023, Ostrołęka county ranked 301 of 380 Polish counties. Population shrank by 4,033 residents -7.72% between 2018-2023, at 48,229.
Among 339 declining counties, in the bottom 10% for rate of decline (mildest loss). Within Masovian voivodeship, ranked 33 of 42 counties.
Based on 31 years of official GUS statistics for Ostrołęka county and its 1 municipality within Masovian voivodeship.
Total Population Chart
Lowest at 47,696 in 2024
Highest at 55,271 in 1998
1995
29 years (+5 year forecast)
2024
Powiat Ranking
301/380 County 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
Ostrołęka
1 municipality