# Population (1 January) — Heidelberg, Stadtkreis (NUTS-3 DE125)

Population (1 January) — Heidelberg, Stadtkreis (NUTS-3 DE125) was 155,756 persons in 2025, up 0.4% from 2024.
That is the highest reading since 2022.
Over the past ten years it has ranged from 154,570 persons (2023) to 161,485 persons (2020), averaging 157,893 persons.

- Source agency: Eurostat (Statistical Office of the European Union)
- Makrognosis code: `DE-125.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 2000-01-01 to 2025-01-01 (25 observations)
- Page: https://makrognosis.robomacro.com/data/germany/population-1-january-heidelberg-stadtkreis-nuts-3-de125

## Recent data

| Period | Value |
|---|---:|
| 2025 | 155,756 persons |
| 2024 | 155,175 persons |
| 2023 | 154,570 persons |
| 2022 | 159,245 persons |
| 2021 | 158,741 persons |
| 2020 | 161,485 persons |
| 2019 | 160,355 persons |
| 2018 | 160,601 persons |
| 2017 | 159,914 persons |
| 2016 | 156,267 persons |
| 2015 | 154,715 persons |
| 2014 | 152,113 persons |
| 2012 | 148,415 persons |
| 2011 | 146,116 persons |
| 2010 | 146,466 persons |
| 2009 | 145,642 persons |
| 2008 | 145,311 persons |
| 2007 | 144,634 persons |
| 2006 | 142,993 persons |
| 2005 | 143,123 persons |
| 2004 | 142,959 persons |
| 2003 | 142,575 persons |
| 2002 | 141,509 persons |
| 2001 | 140,259 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/DE-125.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/DE-125.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```