# Population (1 January) — Ostrołęcki (NUTS-3 PL924)

Population (1 January) — Ostrołęcki (NUTS-3 PL924) was 357,441 persons in 2025, down 0.6% from 2024.

- Source agency: Eurostat (Statistical Office of the European Union)
- Makrognosis code: `PL-924.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 2014-01-01 to 2025-01-01 (12 observations)
- Page: https://makrognosis.robomacro.com/data/poland/population-1-january-ostroecki-nuts-3-pl924

## Recent data

| Period | Value |
|---|---:|
| 2025 | 357,441 persons |
| 2024 | 359,737 persons |
| 2023 | 361,537 persons |
| 2022 | 363,618 persons |
| 2021 | 366,050 persons |
| 2020 | 379,997 persons |
| 2019 | 381,313 persons |
| 2018 | 382,337 persons |
| 2017 | 382,940 persons |
| 2016 | 383,632 persons |
| 2015 | 384,741 persons |
| 2014 | 385,510 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/PL-924.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/PL-924.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```