Regional Statistics
25,963
41
people/km²
87,494
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Territory of Ostrołęcki County 2023
In 2023, Ostrołęcki county ranked 138 nationally among Poland's 380 counties by area, in the top 10% of largest counties. Covered 2,093 km² (209,355 ha). Within Masovian voivodeship, ranked 16 of 42 counties. Contained 11 municipalities.
Official GUS territorial statistics for Ostrołęcki county and its 11 municipalities within Masovian voivodeship.
Total Area Chart
Lowest at 2,092 in 2018
Highest at 2,099 in 1998
1998
26 years
2024
Powiat Ranking
7/380 County in Poland
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Year over Year
since 2022
2023
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Go to Ostrołęcki
Land Use
major land categories
Nature Protection
protected areas and sites
Ostrołęcki
11 municipalities