Regional Statistics
Population in Ostrołęcki County 2021
In 2021, Ostrołęcki county ranked 138 of 380 Polish counties. Population shrank by 1,295 residents -1.46% between 2016-2021, at 87,496.
Among 339 declining counties, ranked in top 20% for steepest loss. Within Masovian voivodeship, ranked 16 of 42 counties.
Based on 31 years of official GUS statistics for Ostrołęcki county and its 11 municipalities within Masovian voivodeship.
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Contact Information for Ostrołęcki
Updated 52 days ago
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