Data / Population / Siedlecki

Population in Siedlecki

Population in Siedlecki was 395,631 in 2025, according to Eurostat, European Commission. That is down 0.5% from 2024. That is the 48th highest of 73 areas in 2025.

2025, persons395,631
Change on 2024-0.5%
Rank48th of 73NUTS 3 areas of Poland ranked
Series high420,2622014
Series low395,6312025

Population in Siedlecki, 2014 to 2025

CSVChart (SVG)

395K400K405K410K415K420K425K20142016201820202022202420252014: 420,262 persons2015: 419,580 persons2016: 418,859 persons2017: 418,592 persons2018: 418,431 persons2019: 417,565 persons2020: 416,909 persons2021: 403,799 persons2022: 401,044 persons2023: 399,123 persons2024: 397,510 persons2025: 395,631 persons
persons. Source: Eurostat. Retrieved 2026-10-08, published 2026-08-28.
All 12 values
Periodpersons
2025395,631
2024397,510
2023399,123 Estimated
2022401,044 Estimated
2021403,799 Series break
2020416,909
2019417,565
2018418,431
2017418,592
2016418,859
2015419,580
2014420,262

Compared with Mazowiecki regionalny and Poland and European Union (27)

Place2025
Siedlecki395,631
Mazowiecki regionalny2,185,155
Poland36,497,495
European Union (27)450,646,971

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

Eurostat. Population on 1 January by NUTS 3 region (demo_r_pjanaggr3). https://ec.europa.eu/eurostat/databrowser/view/demo_r_pjanaggr3/default/table. Retrieved 2026-10-08.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest population in Siedlecki? Cite the source.
get_value {"indicator":"population","place":"pl-nuts-pl925"}
GET https://invokely.ai/api/v1/value?indicator=population&place=pl-nuts-pl925

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the population in Siedlecki?

Population in Siedlecki was 395,631 in 2025, according to Eurostat, European Commission. That is down 0.5% from 2024. That is the 48th highest of 73 areas in 2025.

Where does this figure come from?

Eurostat, European Commission. Population on 1 January by NUTS 3 region (demo_r_pjanaggr3). Retrieved by Invokely on 2026-10-08.

What was the highest population in Siedlecki?

420,262 in 2014, the highest value since 2014 in this series.

More statistics for Siedlecki

All statistics for Siedlecki