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Poland.gg
Delightfully crafted Statistical Portal for Poland
Polish
Po polsku
Siedlce Municipal Statistics for 2026
2025
Latest Data

Regional Statistics

6,159
140 people/km²
19,890
Siedlce
141 km²
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Population in Siedlce Municipality 2026

Siedlce municipality ranks 347 of 2,478 Polish municipalities. Population grew by 1,484 residents +8.06% between 2019-2024, now at 19,890.

Among 494 growing municipalities, in top 10% for growth rate. Within Siedlecki county, ranks 1 of 13 municipalities.

Based on 31 years of official GUS statistics for Siedlecki county municipalities within Masovian province.

Total Population
+1.19 % since 2023 2024
19,890
Poland 37,489,087
Province ranked 1/16 5,508,322
County ranked 20/42 80,446
Municipality ranked 1/13 19,890
Total Population Chart
Lowest at 13,855 in 1995 Highest at 19,890 in 2024
1995
29 years (+5 year forecast)
2024
Ranking
347/2478 Municipality in Poland
341
Nowa Ruda city 20,100
342
Łapy 20,063
343
Rydułtowy 20,017
344
Choszczno 19,982
345
Słubice 19,963
346
Działdowo city 19,949
347
Siedlce 19,890
348
Wschowa 19,836
349
Kalwaria Zebrzydowska 19,819
350
Redzikowo 19,802
Page 35 of 248
Change
114/2478 Municipality in Poland
111
Dominowo +1.2%
112
Morawica +1.2%
113
Stare Bogaczowice +1.2%
114
Siedlce +1.2%
115
Stężyca +1.2%
116
Radzanowo +1.2%
117
Stare Babice +1.2%
118
Juchnowiec Kościelny +1.2%
119
Redzikowo +1.2%
120
Radwanice +1.2%
Page 12 of 248
Population Density
+1.15 % since 2023 2024
140.7 per km²
Vital Statistics births and deaths
Live Births
+6.85 % since 2023 2024
156
Deaths
-16.77 % since 2023 2024
134
Age Structure children, working age, and elderly
Children (0-14)
+0.24 % since 2023 2024
3,798
Working Age (15-64)
+0.75 % since 2023 2024
13,001
Elderly (65+)
+4.28 % since 2023 2024
3,091
Gender
Men
+0.93 % since 2023 2024
9,876
Women
+1.44 % since 2023 2024
10,014
Age Distribution from 0 to 75+ years
0-4 years
-6.98 % since 2023 2024
933
5-9 years
+0.96 % since 2023 2024
1,372
10-14 years
+4.63 % since 2023 2024
1,493
15-19 years
+4.02 % since 2023 2024
1,345
20-24 years
+1.63 % since 2023 2024
1,121
25-29 years
-1.80 % since 2023 2024
982
30-34 years
-4.83 % since 2023 2024
1,103
35-39 years
-4.16 % since 2023 2024
1,476
40-44 years
+0.86 % since 2023 2024
1,756
45-49 years
+5.73 % since 2023 2024
1,661
50-54 years
+4.38 % since 2023 2024
1,359
55-59 years
+0.09 % since 2023 2024
1,122
60-64 years
+0.19 % since 2023 2024
1,076
65-69 years
-0.98 % since 2023 2024
1,110
70-74 years
+8.77 % since 2023 2024
930
75-79 years
+19.88 % since 2023 2024
199
80-84 years
-1.41 % since 2023 2024
280
85+ years
+9.92 % since 2023 2024
277

Data Source: Statistics Poland, Local Data Bank (BDL)