# Population density in Ostrołęcki

Population density in Ostrołęcki was 55.4 inhabitants per km² in 2024. Source: Eurostat, European Commission.

- Indicator id: `population_density`
- Place id: `pl-nuts-pl924`
- Unit: inhabitants per km²
- Definition: Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.
- Note: United States: Census Bureau population estimates for 1 July divided by land area (water excluded) from the latest Census Gazetteer files. US tables often give people per square mile; multiply persons per km² by 2.59 to compare.
- Source: Eurostat, European Commission, Population density by NUTS 3 region (demo_r_d3dens) (https://ec.europa.eu/eurostat/databrowser/view/demo_r_d3dens/default/table)
- Retrieved: 2026-10-08
- License: Eurostat reuse policy (commercial and non-commercial reuse, attribution required)
- Citation: Eurostat. Population density by NUTS 3 region (demo_r_d3dens). https://ec.europa.eu/eurostat/databrowser/view/demo_r_d3dens/default/table. Retrieved 2026-10-08.
- Web page: https://invokely.ai/en/population-density/ostro-ecki-pl924
- CSV: https://invokely.ai/download/population-density/ostro-ecki-pl924.csv
- API: https://invokely.ai/api/v1/series?indicator=population_density&place=pl-nuts-pl924

| Period | inhabitants per km² |
|---|---:|
| 2024 | 55.4 |
| 2023 | 55.7 (estimated) |
| 2022 | 56 (estimated) |
| 2021 | 58.5 |
| 2020 | 58.8 |
| 2019 | 58.8 |
| 2018 | 59 |
| 2017 | 59.1 |
| 2016 | 59.2 (break) |
| 2015 | 59.3 |
| 2014 | 59.5 |
| 2013 | 59.8 |