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Population in Sejny Municipality 2021
In 2021, Sejny municipality ranked 2115 of 2,478 Polish municipalities. Population shrank by 243 residents -6.0% between 2016-2021, at 3,806.
Among 1984 declining municipalities, in bottom 50% for rate of decline. Within Sejneński county, ranked 3 of 5 municipalities.
Based on 31 years of official GUS statistics for Sejneński county municipalities within Podlaskie province.
Total Population
-0.29
%
since
2020
2021
3,806
Total Population Chart
Lowest at 3,778 in 2024
Highest at 4,383 in 1995
1995
29 years (+5 year forecast)
2024
Ranking
2135/2477 Municipality in Poland
2132
Sadowie
3,814
2133
Gniewoszów
3,813
2134
Tarnawatka
3,811
2135
Sejny
3,806
2136
Oleśnica
3,802
2136
Parchowo
3,802
2138
Gaworzyce
3,796
2140
Perzów
3,794
Page 214 of 248
Change
748/2477 Municipality in Poland
741
Wielbark
-0.3%
742
Książki
-0.3%
744
Oława city
-0.3%
747
Sieciechów
-0.3%
748
Sejny
-0.3%
749
Lubenia
-0.3%
750
Gać
-0.3%
Page 75 of 248
Population Density
-0.57
%
since
2020
2021
17.5
per km²
Vital Statistics
births and deaths
Live Births
+14.29
%
since
2020
2021
24
Deaths
+26.23
%
since
2020
2021
77
Age Structure
children, working age, and elderly
Children (0-14)
+2.94
%
since
2020
2021
560
Working Age (15-64)
-0.67
%
since
2020
2021
2,522
Elderly (65+)
-1.36
%
since
2020
2021
724
Gender
Men
-0.46
%
since
2020
2021
1,951
Women
-0.11
%
since
2020
2021
1,855
Age Distribution
from 0 to 75+ years
0-4 years
-3.55
%
since
2020
2021
163
5-9 years
+9.55
%
since
2020
2021
195
10-14 years
+2.54
%
since
2020
2021
202
15-19 years
-2.86
%
since
2020
2021
170
20-24 years
-7.23
%
since
2020
2021
218
25-29 years
+0.77
%
since
2020
2021
262
30-34 years
-3.82
%
since
2020
2021
252
35-39 years
+3.24
%
since
2020
2021
287
40-44 years
+5.60
%
since
2020
2021
264
45-49 years
-3.99
%
since
2020
2021
289
50-54 years
+6.32
%
since
2020
2021
269
55-59 years
-6.43
%
since
2020
2021
233
60-64 years
+0.72
%
since
2020
2021
278
65-69 years
+6.31
%
since
2020
2021
236
70-74 years
+2.35
%
since
2020
2021
174
75-79 years
+4.26
%
since
2020
2021
49
80-84 years
-3.88
%
since
2020
2021
99
85+ years
-18.10
%
since
2020
2021
95