Regional Statistics
19,929
1,491
people/km²
49,913
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Population in Ostrołęka County 2020
In 2020, Ostrołęka county ranked 301 of 380 Polish counties. Population shrank by 2,658 residents -5.06% between 2015-2020, at 49,913.
Among 339 declining counties, in the bottom 10% for rate of decline (mildest loss). Within Masovian province, ranked 33 of 42 counties.
Based on 31 years of official GUS statistics for Ostrołęka county and its 1 municipality within Masovian province.
Total Population
-4.11
%
since
2019
2020
49,913
Total Population Chart
Lowest at 47,696 in 2024
Highest at 55,271 in 1998
1995
29 years (+5 year forecast)
2024
Ranking
298/380 County in Poland
291
Grodziski
51,711
292
Wałecki
51,165
293
Pułtuski
50,881
294
Przasnyski
50,354
295
Chełmiński
50,298
296
Opatowski
50,148
297
Łomżyński
50,078
298
Ostrołęka
49,913
299
Pajęczański
49,834
300
Sierpecki
49,607
Page 30 of 38
Change
337/380 County in Poland
331
Białogardzki
-3.9%
332
Kluczborski
-3.9%
333
Kalisz
-4.0%
334
Złotoryjski
-4.0%
335
Przysuski
-4.1%
336
Szczecinecki
-4.1%
337
Ostrołęka
-4.1%
338
Przasnyski
-4.1%
339
Lwówecki
-4.1%
340
Kolneński
-4.1%
Page 34 of 38
Population Density
-4.11
%
since
2019
2020
1,491.7
per km²
Vital Statistics
births and deaths
Live Births
-6.19
%
since
2019
2020
485
Deaths
+18.75
%
since
2019
2020
551
Age Structure
children, working age, and elderly
Children (0-14)
-3.43
%
since
2019
2020
7,650
Working Age (15-64)
-6.77
%
since
2019
2020
32,626
Elderly (65+)
+5.48
%
since
2019
2020
9,637
Gender
Men
-4.71
%
since
2019
2020
23,678
Women
-3.57
%
since
2019
2020
26,235
Age Distribution
from 0 to 75+ years
0-4 years
-7.06
%
since
2019
2020
2,515
5-9 years
-2.82
%
since
2019
2020
2,588
10-14 years
-0.24
%
since
2019
2020
2,547
15-19 years
-22.79
%
since
2019
2020
2,223
20-24 years
-11.31
%
since
2019
2020
2,281
25-29 years
-11.75
%
since
2019
2020
2,823
30-34 years
-5.82
%
since
2019
2020
3,655
35-39 years
-3.51
%
since
2019
2020
4,318
40-44 years
-0.03
%
since
2019
2020
3,833
45-49 years
+0.58
%
since
2019
2020
3,144
50-54 years
-2.27
%
since
2019
2020
3,007
55-59 years
-6.04
%
since
2019
2020
3,249
60-64 years
-8.96
%
since
2019
2020
4,093
65-69 years
+4.18
%
since
2019
2020
3,910
70-74 years
+10.01
%
since
2019
2020
2,550
75-79 years
-0.20
%
since
2019
2020
496
80-84 years
-0.30
%
since
2019
2020
999
85+ years
+12.27
%
since
2019
2020
897