# Population (1 January) — Aargau (NUTS-3 CH033)

Population (1 January) — Aargau (NUTS-3 CH033) was 735,808 persons in 2025, up 1.2% from 2024.
That is the highest reading since the series began in 1990.
Over the past ten years it has ranged from 645,277 persons (2015) to 735,808 persons (2025), averaging 688,050 persons.

- Source agency: Eurostat (Statistical Office of the European Union)
- Makrognosis code: `CH-033.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 1990-01-01 to 2025-01-01 (36 observations)
- Page: https://makrognosis.robomacro.com/data/switzerland/population-1-january-aargau-nuts-3-ch033

## Recent data

| Period | Value |
|---|---:|
| 2025 | 735,808 persons |
| 2024 | 726,894 persons |
| 2023 | 711,232 persons |
| 2022 | 703,086 persons |
| 2021 | 694,072 persons |
| 2020 | 685,845 persons |
| 2019 | 678,207 persons |
| 2018 | 670,988 persons |
| 2017 | 663,462 persons |
| 2016 | 653,675 persons |
| 2015 | 645,277 persons |
| 2014 | 636,362 persons |
| 2013 | 627,340 persons |
| 2012 | 618,298 persons |
| 2011 | 611,466 persons |
| 2010 | 600,040 persons |
| 2009 | 591,632 persons |
| 2008 | 581,562 persons |
| 2007 | 574,813 persons |
| 2006 | 569,344 persons |
| 2005 | 565,122 persons |
| 2004 | 560,674 persons |
| 2003 | 555,782 persons |
| 2002 | 550,298 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/CH-033.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/CH-033.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```